Answer:
$107,054.45
Explanation:
rate 6% annual compounded monthly so the monthly rate will be 0.5%
The situation will be the following
first we have
Annuity of 150 for 15 years x 12 = 180 months and 6% /12 = 0.5% rate
Then
this ammount will be generate interest for 15 more years
Annuity of $150 during 180 period at 0.5% = $43,623
Then 43,623 for 180 period at 0.5% = $107,054.45