Keith has two student loans. One is a loan of $13,000 at an APR of 6% for 13 years; the second is a loan of $21,000 at an interest rate of 7% for 7 years. Keith is considering consolidating the loans and has found a bank that will loan him $34,000 for 10 years at an annual interest rate of 6.5%. If Keith is trying to pay off the loans and pay the least amount of interest, which consolidation option should be selected? (Assume Keith makes a monthly payment for each loan. Round your answers to the nearest cent.) The total interest paid on the unconsolidated loans is $ , and the total interest paid on the consolidated loan