15.5.1 Question Help An engineering company expects to expand its plant facilities in 9 years at an estimated cost of $53,000. To provide for the expansion, a sinking fund has been established into which equal payments are made at the end of every 3 months. Interest is 5% compounded quarterly. (a) What is the size of the quarterly payment? (b) How much of the maturity value will be payments? (c) How much interest will the fund contain