Please note for these problems "1 year" = 12 months = 52 weeks ≈ 360 days
1. If you paid $460 to a loan company for the use of $7000 for 90 days, what annual rate of interest is the company charging?
2. What is the purchase price of a 39-week US Treasury note with a maturity value of $6,000 that earns an annual interest rate of 3.70 % ?