Mary Is an 18-Year-Old High School Graduate Who Can Take

Mary is an 18-year-old high school graduate who can take a job paying $30,000 without further education. The prevailing interest rate is 10 percent.
-What is Mary's present value of earning $30,000 a year from age 18 to 20 (3 years in total) ?

A) $99,300
B) $109,909
C) $104,132
D) $90,000
E) $82,066