The following 6 months of data were collected on electricity cost and the number of machine hours in a factory.

Refer to Figure 3-13. A dependent variable value used in calculating the cost line using the high-low method is:

a. 5,430

b. $27,900

c. 4,500

d. $25,160

Month June July August September October November Electricity cost $25,160 26,170 27,250 26,680 27,950 27,500 Machine hours 4,500 4,810 5,120 5,010 5,430 5,190