Presented below is information related to Blowfish radios for the Hootie Company for the month of July.

Date		Transaction		Units In		Unit Cost		Total		Units Sold		Selling Price		Total
July 1		Balance		170		$3.77		$ 641
6		Purchase		1,360		3.31		4,502
7		Sale								510		$6.91		$ 3,524
10		Sale								510		7.15		3,647
12		Purchase		680		4.80		3,264
15		Sale								340		7.50		2,550
18		Purchase		510		5.74		2,927
22		Sale								680		7.75		5,270
25		Purchase		850		5.08		4,318
30		Sale								340		7.95		2,703
		Totals		3,570				$15,652		2,380				$17,694

Calculate average cost per unit. (Round answer to 2 decimal places, e.g. 2.76.)

Weighted-average cost=________________