You made a total investment of 250,000. This amount was invested over the period of three years as follows: the initial year you invested 100,000, the year after you invested 90,000 and then the following year you invested 60,000. Your project started to make some revenue from the second year with a profit of 30,000. The year after the project generated 40,000, then 90,000 the year following that, then 50,000 a year after, then 45,000 a year following that, then 88,000 a year after that. What is the rate of return?

a. 19.04%

b. 22%

c. 17%

d. 16.94%

e. 20.49%