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| rev | Admin | (Created page with "'''Solution: B''' The amount of principal repaid at payment 15 is (where R is the quarterly payment) <math display = "block"> 10.030.27=R v^{0.13+1}=R(1.03)^{-26}\Rightarrow R=10.030.27(1.03)^{26}=21.631.19. </math> The amount of interest in payment 25 is <math display = "block"> 21,631.19(1-{ v}^{40-25+1})=21,631.19(1-1.03^{-16})=8,151.35. </math> {{soacopyright | 2023 }}") | Nov 19'23 at 1:00 | +382 |