1. Can i have step by step.. my answer doesn't match any of the listed answers

1. Insurance has collected the following information over the last six months.

2. Month

   Units produced

   Total costs

   	March	2,000	$6,700
   	April	3,200	9,400
   	May	2,200	7,100
   	June	3,000	9,500
   	July	2,800	8,000
   	August	2,100	6,600

3. Using the high-low method, how much is the total fixed cost?

4. 	A.	$2.25
   	B.	$2.80
   	C.	$2.55
   	D.	$3.14