3. You need to accumulate $15,000 for a trip you wish to take in seven years. You are able to earn 12% compounded semiannually on your savings. You plan to make only one deposit and let the money accumulate for seven years. How would you determine the amount of the one-time deposit? b. Assume the same facts as in part (a) except that you will make semiannual deposits to your savings account. What is the required amount of each semiannual deposit? 1. You want to retire after working 30 years with savings in excess of $1,800,000. You expect to save $3,400 a year for 30 years and earn an annual rate of interest of 8% c-2. Will you be able to retire with more than $1,800,000 in 30 years? d-1. A sweepstakes agency names you a grand prize winner. You can take $238,000 immediately or elect to receive annual installments of $27,000 for 15 years. You can earn 10% annually on any investments you make. d-2. Which prize do you choose to receive? Complete this question by entering your answers in the tabs below. You need to accumulate $15,000 for a trip you wish to take in seven years. You are able to earn 12% compounded semiannually on your savings. You plan to make only one deposit and let the money accumulate for seven years. How would you determine the amount of the one-time deposit? (Round your answer to 2 decimal places.) Assume the same facts as in part (a) except that you will make semiannual deposits to your savings account. What is the required amount of each semiannual deposit? (Round your answer to 2 decimal places.) Complete this question by entering your answers in the tabs below. You want to retire after working 30 years with savings in excess of $1,800,000. You expect to save $3,400 a year for 30 years and earn an annual rate of interest of 8%. (Round your answer to 2 decimal places.) Complete this question by entering your answers in the tabs below. A sweepstakes agency names you a grand prize winner. You can take $238,000 immediately or elect to receive annual installments of $27,000 for 15 years. You can earn 10% annually on any investments you make. (Round your answer to 2 decimal places.)