Ewha Corp is considering a four-year project to improve its production efficiency. Buying a new machine press for $560,000 is estimated to result in $210,000 in annual pretax cost savings. The press falls in the MACRS five-year class, and it will have a salvage value at the end of the project of $80,000. The press also requires an initial investment in spare parts inventory of $20,000, along with an additional $3,000 in inventory for each succeeding year of the project. If the shop's tax rate is 30 percent and its discount rate is 10 percent, should the company buy and install the machine press? year 1 2 3 4 5 6 rate 20.00% 32.00% 19.20% 11.52% 11.52% 5.76% Ewha Corp has 12.0 percent coupon bonds on the market with 10 years to maturity. The bonds make semiannual payments and currently sell for 110 percent of par. a) What is the current yield on the bonds? b) What is the yield to maturity on the bonds? c) What is the effective annual yield on the bonds