21. Knowing that you use 245 KWH from 7 a. m. - 7p. m. and 165 KWH from 7p. m. - 7 a. m., answer the follow question using the chart below. Constant Usage
50.05324/KWH
Daytimer (Most usage between 7 am - 7p. m.)
As long as most power used is 7 a. m. - 7p. m., then
$0.05456/KWH
you receive a 20% discount on power usage 7p. m.-7
a. m.
Night Timer (Most usage between 7p. m. - 7 a. m.)
If more than 50% of power usage is outside of 7 p. m. - $0.05281/KWH
7am., then you have to pay the Daytimer rate for all
power usod 7 a. m. - 7p. m.
How much would you have paid on the Constant Usage plan?
$22.37
$21.83
$21.65
$22.08