Problem 1: Diaz Corporation has a tax loss of $5 million in the current period. The firm's after-tax discount rate is 10%. Assume Diaz is allowed to carry back losses. Assume that the statutory rate in the future will be 30%. Over the preceding 5 years, the firm reported the following taxable income: Year -3 -2 -5 -4 -1 Current $3.00 -$5.0 Taxable income ($ millions) Statutory tax rate $1.00 40% $1.00 40% $1.50 35% $4.00 35% 30% 30% a. If the carryback period is 3 years, what is the firm's marginal tax rate in the current period? b. If the carryback period is 2 years, what is the firm's marginal tax rate in the current period? PLEASE INPUT ANSWERS AFTER ROUNDING TO 2 DECIMAL POINTS