A company reports the following information:

Month	Units Sold	Total Cost
January	1,100	$ 6,650
February	2,000	$ 7,300
March	2,800	$ 10,100
April	800	$ 4,500

6650-4500/1100-800=2150/300=$7.166

6650-(7.16*1100)=

Using the high-low method, the estimated total fixed cost is:

a. $1,700.

b. $4,500.

c. $6,200.

d. $3,900.

e. $2,260.