ABC Company has decided to buy a machine costing $14,750. Estimated cash savings from using the new machine amount to $4,500 per year. If ABC required rate of return is 10%, the machine's internal rate of return is closest to O a 12% O b. 14% Oc 16% O d. none of answers are correct ABC Company has decided to buy a machine costing $14,750. Estimated cash savings from using the new machine amount to $4,500 per year. If ABC required rate of return is 10%, the machine's Internal rate of return is closest to: O a 12% O b. 14% Oc 16% d. none of answers are correct