Saved Homework Problems - Simple Interest Check my work mode : This shows what is correct or incorrect for the work Drill Problem 16-13 [LU 16-3 (1)] Given Principal: $10,000, 8%, 240 days Partial payments: On 100th day, $4,000 On 180th day, $2,000 22:30 a. Use the U.S. Rule to solve for total interest cost. (Use 360 days a year. Do not answer to the nearest cent.) x Answer is complete but not entirely correct. Total interest cost $ 526.03 X b. Use the U.S. Rule to solve for principal balances. (Use 360 days a year. Do not r answers to the nearest cent.) On 100th day On 180th day Balance after the payment C raw