Question

find the ci when p is 120000 r is 7%and time is 21 yr​

Answer 1

$CI = P {(1 + \frac{R}{100} )}^{t} - P \\ \\ = 120000(1 + \frac{7}{100})^{21} - 120000 \\ \\ = 120000( \frac{107}{100})^{21} - 120000 \\ \\ = 120000()$