Given: Principal $13,000, Interest Rate 5%, Time 240 days (use ordinary interest)

Partial payments: On 100th day, $6,800 & On 180th day, $3900.

Solve for total interest cost, balances on 100th and 180th days, and final payment.

Given Principal $13,000, Interest Rate 5%, Time 240 days (use ordinary interest) Partial payments: On 100th day, $6,800 On 180th day, $3,900 a. Use the U.S. Rule to solve for total interest cost. (Use 360 days a year. Do not round interme Total interest cost $ b. Use the U.S. Rule to solve for balances. (Use 360 days a year. Do not round intermediate c On 100th day On 180th day Balance after the payment $ $ c. Use the U.S. Rule to solve for final payment. (Use 360 days a year. Do not round intermedia Final payment $