Chris needs to buy a new stove in 5 years. He starts to deposit money quarterly, with the first saving in 3 month. If his investment earns 5% APR compounded semi-annually, how much he should invest every three month to buy a $2000 stove in 5 years? (Round your answer to two decimals.)

		a) $88.71
		b) $89.26
	c)	$180.97
		d) $79.50

please show how you got the answer!