Answer:
internal rate of return 31.8%
Explanation:
on excel we will list each cash flow:
Y0 -190,000
Y1 25,000
Y2 37500 (Y1 x (1+g) = 25,000 x 1.05)
Y3 56250 (37,500 x 1.05)
Y4 84375 (56,250 x 1.05)
Y5 386562.5 (84,375 x 1.05 + 260,000 from the sale)
we now write =IRR( and select the cells then, press enter
the IRR function return: 31.8503%
we round into 1 percent 31.8%