Adom bought a land for Ghc 5,200,000.00 in 1990. He paid Ghc 2,600.00 of the cost and paid the rest in equal monthly installments. He took 10 yrs to make full payment for the land interest was charged at 20 % simple interest find the percentage of the amount .
(b) the monthly installments
(c) the total amount he paid for the land
(d) the percentage increase in the cost of the land.​