The correct answer for this is C. Jeb should scan the article to check if the one he's looking for is in there. This way, you can efficiently use your time and lessen your hassle on reading everything what the article has to say.
Solution:
Given Information,
Heat input is (
) = 5.5 ×
Btu/h
Combustion efficiency of the boiler (
) = 0.7
Combustion efficiency after turn up (
) = 0.8
Operation Hour (t) = 5200h
Unit cost (c) = 
Calculate heat output from the boiler
=
x 
= 5.5 x
x 0.7
= 3.85 x
Btu/h
Calculate the heat input to the boiler after the tune-up
=
/ 
= 3.85 x
/ 0.8
= 4.8125 x
Btu/h
Calculate the saved energy after the tune-up
=
- 
= 5.5 x
- 4.8125 x
Btu/h
= 0.6875 x
Btu/h
Calculate the annual energy saving (
)
=
x t
= ( 0.6875 x
Btu/h ) ( 5200 hr/yr)
= 3575 x
Btu/h
Calculate the annual cost saving
Annual cost saving =
x Unit cost
= 3575 x
Btu/h x 
= 82225
If Baldwin currently pays his employees with $50/hour and he promised to give an additional performance bonus of 0.25% if the productivity goals are reached. Assuming that he has 500 employees, he needs to pay his employees:
$50 * (1+0.0025) = $50.125/hour will be the new rate of each employee,
if he has 500 employees:
500 * $50.125 = $25,062.50
He has to pay a total of $25,062.50 per hour in total.
it would be "True"
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