What is the internal rate of return of a project costing $3,000; having after-tax cash flows of $1,500 in each of the two years of its two-year life; and a salvage value of $800 at the end of the second year in addition to the $1,500 cash flow? (rounded to the nearest percentage)

a. 13%

b. 15%

c. 16%

d. 19%

if you could show the process both by hand and through the calculator i would really appreciate it