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The Howe family recently bought a house. The house has a 15-year, $298,952.00 mortgage with monthly payments and a nominal interest rate of 4.8 percent. What is the total dollar amount of principal the family will pay during the first 2 years of their mortgage? (Assume that all payments are made at the end of the month.) O $28,057.30 O $30,057.30 O $29,587.30 O $29,087.30 O $28,587.30 Terry Austin is 30 years old and is saving for her retirement. She is planning on making 28 contributions to her retirement account at the beginning of each of the next 28 years. The first contribution will be made today (t = 0) and the final contribution will be made 27 years from today (t = 27). The retirement account will earn a return of 10.3 percent a year. If each contribution she makes is $2,180.00 how much will be in the retirement account 27 years from now (t = 27)? $305,242.55 O $302,242.55 O $299,242.55 O $296,242.55 O $308,242.55