John began his investing program with a $5,500 initial investment. The table below recaps his returns each year as well as the amounts he added to his investment account. What is his dollar-weighted average return?

Time	Investment			Return
0	$	5,500			8.5	%
1	$	2,000		-	5.0	%
2	$	2,600			4.5	%
3	$	3,000			9.0	%
4	$	900		-	2.5	%

A-1.8 percent

B-1.5 percent

C-2.6 percent

D-2.0 percent

E-2.2 percent