B)A manufacture borrows P2,211,340 with interest at 6% compounded monthly, and agrees to discharge the loan by a sequence of equal monthly payments for 4 years with the first payment at the beginning of the 4th year. Find the periodic payment.

C)An investment in an oil field will yield no operating profit until the end of 4 years, when the investor will receive P268,615,876. After that, he will receive P268,615,876 at the end of each year for 10 more years. Find the present value of tis income if money is worth 6% effective. NO TO EXCEL SOLUTION. MANUAL SOLUTION PLS, THANK YOU