Please answer both

To determine whether a lottery winner would prefer to receive the money in a single lump sum immediately or receive an equal amount over a period of years, you would use which type of time value of money calculation? a. The future value of a single amount b. The present value of an annuity C. The future value of an annuity d. The present value of a single amount Pablos wants to save some money so that he can make a down payment of $3,000 on a car when he graduates from college four years from now. If he opens a savings account and earns 3% on his money, compounded annually, how much will he have to invest now? O a $2,520 b. $2,910 O c. $2,664 d. $3,000