A certain property was offered in an instalment basis with no down payment for six years. However, the buyer needs to pay immediately a beginning of a monthly payment for a period of two years starting at an amount of P 4, 500 and succeeding monthly payments increases by P 800 until the last monthly payment. After such, payments become an end of a quarterly payments starting at an amount of P 25, 000 for the remaining period in which quarterly payments decreases by 6% every quarter thereof until the last quarterly payment. Money is 14% effective. (Please draw a cash flow diagram)

a) What was the cash price of the said property?

b) What equivalent uniform end of a semi-annual amounts would the payments be instead of the said condition above?

c) Find the sum of all the payments being made.

d) If after three years of payments, the buyer wishes to pay a single amount in order to settle all of his remaining obligations, how much would it be?