A small family business just borrowed GH\$ 120,000 to be repaid in four years' time at an effective annual interest rate 10%. The owner, who happens to be a close friend, has decided to deposit a quarter of the loan amount (i.e. GH\$ 30,000 ) at the end of each year into a savings account that surprisingly pays interest at a rate of 12% per year. You have just completed Business Mathematics class at UGBS and you point out to your friend that a yearly savings of GH430,000 will not be enough to pay down the loan when due, even though the account pays a much higher interest rate. Your friend insist that, since the savings account has a rate greater than a rate greater than that of the loan, it is enough. Show your friend why you think he is wrong by providing the true amount to be invested quarterly to pay off the loanl