The Conroy Co. wants to purchase a machine for a new product line that costs $138,750. The company's engineering department estimates the machine will last 10 years and provide an annual contribution margin of $25,000. Ignore income taxes. The internal rate of return to the nearest tenth of a percent is:

#10% 12% 14%. 16% 18%. 20%

6:4.3553/4.1114/3.8887/3.6847/3.4976/33255

7:4.8684/4.5638/4.2883/4.0386/3.8115/3.6046

8:5.3349/4.9676/4.6389/4.3436/4.0776/3.8372

9:5.7590/5.3282/4.9464/4.6065/4.3030/4.0310

10:6.1446/5.6502/5.2161/4.8332/4.4941/4.1925

Group of answer choices

A:11.6%

B:12.84%

C:12.4%

D:13.46%