Consider the financial data for a project given in the table below. Initial investment Project life Salvage value Annual revenue Annual expenses $90,000 6 years $10,000 $27,000 $8,000 C. (a) What is i for this project? i =% (Round to one decimal place.) (b) If the annual expense increases at a 7% rate over the previous year's expenses, but the annual income is unchanged, what is the new i* ? i =% (Round to one decimal place.) (c) In part (b), at what annual rate will the annual income have to increase to maintain the same i obtained in part (a)? The annual income has to increase at % per year. (Round to one decimal place.)