How much would $500 invested at 5% interest compounded monthly be worth after 4 years? round your answer to the nearest cent.

a(t)=p(1+r/n)nt
a.$508.39
b.$610.45
c.$907.68
d.$607.75

Solve the problem. a student earned grades of c, a, b, and a in four different courses. those courses had these corresponding numbers of credit hours: 4, 5, 1, and 5. the grading system assigns quality points to letter grades as follows: a = 4, b = 3, c = 2, d = 1, and f = 0. compute the grade point average (gpa) and round the result to two decimal places. 3.40 3.50 8.75 2.18