7. An Investment of 30,000 in an equipment generates the following flows during the 4 years of useful life: year 1 = 11,000; year 2 = 16,000; year 3 = (-) 5,000; year 4 = 17,000. Also at the end it recovers 30% of the cost of the equipment. If the MARR is 10%, what is the return on the project?

to. 19.87%

b. 11.71%

c. 18.72%

d. 28.75%