Use the Information for the Question(s)below

Use the information for the question(s) below.
Assume that you are 30 years old today and that you are planning on retirement at age 65.Your current salary is $45,000 and you expect your salary to increase at a rate of 5% per year as long as you work.To save for your retirement,you plan on making annual contributions to a retirement account.Your first contribution will be made on your 31st birthday and will be 8% of this year's salary.Likewise,you expect to deposit 8% of your salary each year until you reach age 65.Assume that the rate of interest is 7%.
-Dagny Taggart is a graduating college senior and she is considering the costs of going to medical school.Beginning next fall,Dagny expects medical school tuition to run $45,000 for the first year (paid at the end of each year) and she estimates that tuition will increase by 6% each year.If Dagny is able to invest her money in an account paying 8% interest per year,then the present value to Dagny of four years of medical school tuition is closest to:

A) $149,045.
B) $155,930.
C) $162,095.
D) $180,000.