a computer can be bought on hire purchase by making a deposit of the 15% on the marked price which is $2975 . interest which is equivalent to 15% of the outstanding balance is charged. the amount payable is paid in 12 equal monthly installment. a) calculate the deposit ,the amount of each installment and the hire purchase price. (b) if a discount of 12% is given for each cash . calculate the cash price, the difference between the hire purchase price and cash price .and the difference as percentage of the marked price.