Compute the present value of interest tax shields generated by these three debt issues. Consider corporate taxes only The marginal tax rate is T_c = 0.35. A $3 000. one-year loan at 6%. (Do not round intermediate calculations. Round your answer to 2 decimal places.) A five-year loan of $3,000 at 6%. Assume no principal is repaid until maturity (Do not round intermediate calculations. Round your answer to 2 decimal places.) A $3,000 perpetuity at 5%