4. Use the tables for each of the following calculations: o)The cost of a new automobile is $10,000. If the interest rate is 5 percent, how much do you have to set aside now to provide this sum in 5 years? b) You have to pay $12,000 a year in school fees at the end of each of the next 6 years. If the interest rate is 8 percent, how much do you need to set aside today to cover this bill? (e) You have invested S60,476 at 8 percent. After paying the above school fees, how much would remain at the end of year 6