In order to help fund a loan request of $50 million for one year from one of its best customers, Maize Bank will borrow $25 million by selling CDs at a promised annual yield of 3.80 percent and also borrow $25 million in the Federal funds market at today's prevailing interest rate of 3.60 percent.Credit investigation and recordkeeping costs to process this loan application were an estimated $80,000.The Credit Analysis Division recommends a minimal 1 percent risk premium on this loan and a minimal profit margin of 0.5 percent. Using the cost-plus loan pricing model, what loan rate should be charged?