A customer has failed to pay three amounts: ${A} 18 months ago, ${B} nine months ago, and ${C} three months ago. They will repay with a payment of ${D} today, ${E} nine months from now, and a final payment two years from now. Interest is {F}% compounded quarterly on all outstanding debts. What is the amount of the third payment?	{A}	{B}	{C}	{D}	{E}	{F}	quarterly	i
	$1,600	$2,700	$5,300	$1,000	$4,500	16.7%