Answer: the correct answer would be <u>Profit center.</u>
Explanation:
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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
Answer:
scarcity.
Explanation:
Scarcity can be defined as an economical problem that gives the relationship between non-renewable (limited) resources and the limitless wants and needs of consumers.
Basically, it's very important that producers of goods and services make decisions that would help them on how to efficiently allocate scarce or limited resources, in order to meet the unending requirements, wants and needs of consumers.
In Economics, an example of scarcity is that most of the resources used for the manufacturing of finished goods and services are nonrenewable, and as a result, the wants and needs of the end users or consumers are limited. Thus, economists would advise that economies should decide on what to produce, how to produce, when to produce and for whom to produce due to the finite and limited nature of resources i.e the concept of scarcity.