You owe your best friend $2,500. Because you are short on cash, you offer to repay the loan over 10 months under the following condition. The first payment will be $90 at the end of month one. The second payment will be $90+G at the end of month two. At the end of month three, you'll repay $90+2G. This pattern of increasing G amounts will continue for all remaining months. a. What is the value of G if the interest rate is 0.75% per month? b. What is the equivalent uniform monthly payment c. Repeat Part (a) when the first payment is $140 (i.e., determine G).