A woman arranges to repay a Php50,000 bank loan in 10 equal payments at a 10% effective annual in...

Help me number 3 and 4 please

A woman arranges to repay a Php50,000 bank loan in 10 equal payments at a 10% effective annual interest rate. Immediately after her third payment, she borrows another Php25,000. at 10% per year, When she borrows the Php25,000, she talks the banker into letting her repay the remaining debt of the first loan and the entire amount of the second loan in 12 equal annual payments. The first of these 12 payments would be made on year after she receivers the Php25,000. Compute amount of each of the 12 payments. Juan Dela Cruz borrows Php18,000 with interest at 6% compounded quarterly. He agrees to pay Php700 at the end of each 3 months. How long must she pay? What is the size of the concluding payment? An individual is borrowing Php1,000,000 at 8% interest compounded annually. The loan is to be repaid in equal payments over 20 years. However, just after the eighth payment is made, the lender allows the borrower to double the annual payment. The borrower agrees to his increased payment. If the lender is still charging 8% per year, compounded annually, on the unpaid balance of the loan, what is the balance still owed just after the twelfth payment is made? Suppose that the parents of a young child decide to make annual deposits into a savings account, with the first deposit being made on the child's 5^th birthday and the last deposit being made on the 15^th birthday. Then, starting on the child's 18^th up to the 21^th birthday, withdrawals of Php 100,000 with an increase of Php20,000 per year will be made. If the effective annual interest rate is 8% during the period of time, what are the annual deposits in years 5 through 15? As a 50^th birthday present to his wife, a husband deposited Php1, 200,000 per month in rent when all the apartments were occupied. Then the owner raised the rent Php4,000 per month, and ten apartments were vacated. However, the owner still collects Php1, 200,000 in rent. How many apartments are in the complex? The Beach Air Inn consists of 50 rooms. The rent per night and variable cost figures are given below: Assume that each room of each type is rented for a year of 360 nights, compute the a. Break-even point is pesos b. Level of occupancy that would provide a profit of Php304,000 annually.