In 1992, the four-year cost of tuition at UMass was $19,000. Tuition is expected to rise 79% gver the following decade. ghous dhe decad (b) How much should parents of a child borm in 1992 invest at...

I need the answer for part (B) & (C) please

Extracted text: In 1992, the four-year cost of tuition at UMass was $19,000. Tuition is expected to rise 79% gver the following decade. ghous dhe decad (b) How much should parents of a child borm in 1992 invest at the time of the child's birth at 8% annual interest compounded continuously in order to have sufficient tuition for their child at age 18? (c) A family is able to invest $5,000 in 1992 at 9% annual interest, compounded monthly. How long will it take for this amount to grow sufficiently to cover 4 years' tuition? (Note: the cost of tuition is not fixed, it is a function of time.)