Suppose an H1200 supercomputer has a cost of $350,000 and will have a residual market value of $52,500 in 5 years. The risk-free interest rate is 5.1% APR with monthly compounding. a. What is the risk-free monthly lease rate for a 5-year lease in a perfect market? b. What would be the monthly payment for a 5 -year $350,000 risk-free loan to purchase the H1200 ? Note: Round the monthly interest rate to at least six decimal places