please help

Use the information for the question below. Your firm needs to invest in a new delivery truck. The life expectancy of the delivery truck is five years. You can purchase a new delivery truck for an upfront cost of $200,000, or you can lease a truck from the manufacturer for five years for a monthly lease payment of $4000 (paid at the end of each month). Your firm can borrow at 6% APR with quarterly compounding. 10) The effective annual rate on your firm's borrowings is closest to: A) 6.00%. B) 6.14% C) 6.25% D) 6.30%. 11) If an investment providing a nominal return of 12.25% only offers a real rate of return of 5.70%, then the inflation rate is closest to: A) 5.70%. B) 6.20%. C) 6.55%. D) 12.25%