My numbers came up different. I tried to upload the spreadsheet for 49 years but here are the numbers for SSR and AKL using a 4% increase per year in maintenance and room rates.
SSR
Initial purchase $18,900
<TABLE style="WIDTH: 302pt; BORDER-COLLAPSE: collapse" cellSpacing=0 cellPadding=0 width=402 border=0 x:str><COLGROUP><COL style="WIDTH: 48pt" span=4 width=64><COL style="WIDTH: 51pt; mso-width-source: userset; mso-width-alt: 2486" width=68><COL style="WIDTH: 59pt; mso-width-source: userset; mso-width-alt: 2852" width=78><TBODY><TR style="HEIGHT: 13.5pt" height=18><TD class=xl24 style="BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: windowtext 1.5pt solid; BORDER-LEFT: windowtext 1.5pt solid; WIDTH: 48pt; BORDER-BOTTOM: windowtext 0.5pt solid; HEIGHT: 13.5pt; BACKGROUND-COLOR: aqua" width=64 height=18> </TD><TD class=xl25 style="BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: windowtext 1.5pt solid; BORDER-LEFT: windowtext; WIDTH: 48pt; BORDER-BOTTOM: windowtext 0.5pt solid; BACKGROUND-COLOR: aqua" width=64>
Total Maintenance Fees</TD><TD class=xl25 style="BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: windowtext 1.5pt solid; BORDER-LEFT: windowtext; WIDTH: 48pt; BORDER-BOTTOM: windowtext 0.5pt solid; BACKGROUND-COLOR: aqua" width=64> </TD><TD class=xl25 style="BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: windowtext 1.5pt solid; BORDER-LEFT: windowtext; WIDTH: 48pt; BORDER-BOTTOM: windowtext 0.5pt solid; BACKGROUND-COLOR: aqua" width=64> </TD><TD class=xl25 style="BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: windowtext 1.5pt solid; BORDER-LEFT: windowtext; WIDTH: 51pt; BORDER-BOTTOM: windowtext 0.5pt solid; BACKGROUND-COLOR: aqua" width=68> </TD><TD class=xl26 style="BORDER-RIGHT: windowtext 1.5pt solid; BORDER-TOP: windowtext 1.5pt solid; BORDER-LEFT: windowtext; WIDTH: 59pt; BORDER-BOTTOM: windowtext 0.5pt solid; BACKGROUND-COLOR: aqua" align=right width=78 x:num="117294.07248585692">
$117,294.07</TD></TR><TR style="HEIGHT: 13.5pt" height=18><TD class=xl27 style="BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: windowtext; BORDER-LEFT: windowtext 1.5pt solid; BORDER-BOTTOM: windowtext 0.5pt solid; HEIGHT: 13.5pt; BACKGROUND-COLOR: aqua" height=18> </TD><TD class=xl28 style="BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: windowtext; BORDER-LEFT: windowtext; BORDER-BOTTOM: windowtext 0.5pt solid; BACKGROUND-COLOR: aqua">
Total DVC Cost</TD><TD class=xl28 style="BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: windowtext; BORDER-LEFT: windowtext; BORDER-BOTTOM: windowtext 0.5pt solid; BACKGROUND-COLOR: aqua"> </TD><TD class=xl28 style="BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: windowtext; BORDER-LEFT: windowtext; BORDER-BOTTOM: windowtext 0.5pt solid; BACKGROUND-COLOR: aqua"> </TD><TD class=xl28 style="BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: windowtext; BORDER-LEFT: windowtext; BORDER-BOTTOM: windowtext 0.5pt solid; BACKGROUND-COLOR: aqua"> </TD><TD class=xl29 style="BORDER-RIGHT: windowtext 1.5pt solid; BORDER-TOP: windowtext; BORDER-LEFT: windowtext; BORDER-BOTTOM: windowtext 0.5pt solid; BACKGROUND-COLOR: aqua" align=right x:num="136194.07248585692">
$136,194.07</TD></TR><TR style="HEIGHT: 14.25pt" height=19><TD class=xl30 style="BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: windowtext; BORDER-LEFT: windowtext 1.5pt solid; BORDER-BOTTOM: windowtext 1.5pt solid; HEIGHT: 14.25pt; BACKGROUND-COLOR: aqua" height=19> </TD><TD class=xl31 style="BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: windowtext; BORDER-LEFT: windowtext; BORDER-BOTTOM: windowtext 1.5pt solid; BACKGROUND-COLOR: aqua">
Cost per year</TD><TD class=xl31 style="BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: windowtext; BORDER-LEFT: windowtext; BORDER-BOTTOM: windowtext 1.5pt solid; BACKGROUND-COLOR: aqua"> </TD><TD class=xl31 style="BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: windowtext; BORDER-LEFT: windowtext; BORDER-BOTTOM: windowtext 1.5pt solid; BACKGROUND-COLOR: aqua"> </TD><TD class=xl31 style="BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: windowtext; BORDER-LEFT: windowtext; BORDER-BOTTOM: windowtext 1.5pt solid; BACKGROUND-COLOR: aqua"> </TD><TD class=xl32 style="BORDER-RIGHT: windowtext 1.5pt solid; BORDER-TOP: windowtext; BORDER-LEFT: windowtext; BORDER-BOTTOM: windowtext 1.5pt solid; BACKGROUND-COLOR: aqua" align=right x:num="2779.4708670583045">
$2,779.47</TD></TR></TBODY></TABLE>
For AKL
<TABLE style="WIDTH: 203pt; BORDER-COLLAPSE: collapse" cellSpacing=0 cellPadding=0 width=270 border=0 x:str><COLGROUP><COL style="WIDTH: 48pt" span=3 width=64><COL style="WIDTH: 59pt; mso-width-source: userset; mso-width-alt: 2852" width=78><TBODY><TR style="HEIGHT: 13.5pt" height=18><TD class=xl24 style="BORDER-RIGHT: #c0c0c0; BORDER-TOP: windowtext 1.5pt solid; BORDER-LEFT: windowtext 1.5pt solid; WIDTH: 48pt; BORDER-BOTTOM: windowtext 0.5pt solid; HEIGHT: 13.5pt; BACKGROUND-COLOR: aqua" width=64 height=18> </TD><TD class=xl25 style="BORDER-RIGHT: #c0c0c0; BORDER-TOP: windowtext 1.5pt solid; BORDER-LEFT: #c0c0c0; WIDTH: 48pt; BORDER-BOTTOM: windowtext 0.5pt solid; BACKGROUND-COLOR: aqua" width=64>
Total AKL Cost</TD><TD class=xl25 style="BORDER-RIGHT: #c0c0c0; BORDER-TOP: windowtext 1.5pt solid; BORDER-LEFT: #c0c0c0; WIDTH: 48pt; BORDER-BOTTOM: windowtext 0.5pt solid; BACKGROUND-COLOR: aqua" width=64> </TD><TD class=xl26 style="BORDER-RIGHT: windowtext 1.5pt solid; BORDER-TOP: windowtext 1.5pt solid; BORDER-LEFT: #c0c0c0; WIDTH: 59pt; BORDER-BOTTOM: windowtext 0.5pt solid; BACKGROUND-COLOR: aqua" width=78 x:num="182292.16785692042">
$182,292.17</TD></TR><TR style="HEIGHT: 13.5pt" height=18><TD class=xl27 style="BORDER-RIGHT: #c0c0c0; BORDER-TOP: windowtext; BORDER-LEFT: windowtext 1.5pt solid; BORDER-BOTTOM: windowtext 1.5pt solid; HEIGHT: 13.5pt; BACKGROUND-COLOR: aqua" height=18> </TD><TD class=xl28 style="BORDER-RIGHT: #c0c0c0; BORDER-TOP: windowtext; BORDER-LEFT: #c0c0c0; BORDER-BOTTOM: windowtext 1.5pt solid; BACKGROUND-COLOR: aqua">
Cost per year</TD><TD class=xl28 style="BORDER-RIGHT: #c0c0c0; BORDER-TOP: windowtext; BORDER-LEFT: #c0c0c0; BORDER-BOTTOM: windowtext 1.5pt solid; BACKGROUND-COLOR: aqua"> </TD><TD class=xl29 style="BORDER-RIGHT: windowtext 1.5pt solid; BORDER-TOP: windowtext; BORDER-LEFT: #c0c0c0; BORDER-BOTTOM: windowtext 1.5pt solid; BACKGROUND-COLOR: aqua" x:num="3720.2483236106209">
$3,720.25</TD></TR></TBODY></TABLE>
SSR averaged to $2780 per year for the next 49 years while 5 nights at AKL averaged $3720 per year for the next 49 years.