Q.N.10) A Granite company is planning to buy a fully automated granite cutting machine. If it purchased under down payment, the cost of the machine is Rs. 16,00,000. If it is purchased under installment basis, the company has to pay 25% of the cost at the time of purchase and the remaining amount in 10 annual equal installments of Rs. 2,00,000 each. Suggest the best alternative for the company using the PW basis if interest rate is 18% per year compounded annually. Q.N.11) Find " C "from the following cash flows, if interest rate is 12% per year. Q.N.12) Suppose you make Rs. 500 monthly deposits to a tax deferred retirement plan that pays interest at a rate of 10% compounded quarterly, compute the balance at the end of 10 years