Collin purchased a plot of raw land for $35,000 this week. His real estate agent is confident the land will appreciate at an average annual compound rate of 15% per year. Jamal wants to sell the land for $75,000. Approximately how many years must he own the property to receive $75,000 when he sells it? Select one:

a. 7.5 years

b. 6.5 years

c. 5.5 years

d. 4.5 years