A company bought a machine for the price of 250,000 dinars, and agreed to pay its price in four equal installments of the principal and interest together at the end of each installment year O a. 61 227.4 O b. 60 227.4 c. 63 227.4 d. 62 227.4 A person agreed with a bank that the bank would pay 5,000 dinars to his son who is studying abroad for a period of 5 years, at the beginning of each year. The current value of the regular .payments is, bearing in mind that the compound interest is 5% O a. 23 647.5 b. 21 647.5 O c. 20 64725 O d. 22 647.5