Answer :
Lifetime cost of Megan's TV is sum of base price, tax, electricity cost and repair cost. The lifetime cost of Megan’s TV is $347.
What is lifetime cost of a product?
Lifetime cost it the overall cost of the product, which is expend over it during its service including base price, service charge, fuel charge etc.
Given information-
The base price of the TV is $189.
The daily consumption of electricity by the YV is$0.06
The cost of repairs each time is $29.
As The base price of the TV is $189 and the sales tax on it was 6.88 percent Thus the total base price of the TV at the time of buy is,
[tex]C_b=189\times\dfrac{106.88}{100}\\C_b=202.0032[/tex]
Thus, the total base price of the TV at the time of buy is $202.0032.
As The daily consumption of electricity by the YV is$0.06. Thus the total cost of electricity used by TV in four years (including one leap year) is,
[tex]C_E=0.06\times(3\times365+366)\\C_E=87.66[/tex]
Thus the total cost of electricity used by TV in four years is $87.6.
As the cost of repairs each time is $29 and need to be repair it twice. The total cost of repair is,
[tex]T_r=29\times2\\T_r=58[/tex]
Thus the total cost of repair the TV is $58.
As the lifetime cost of TV is the sum all the cost in 4 year service of TV. Thus,
[tex]C_T=202.0032+87.66+58\\C_T\cong 347[/tex]
Hence, the lifetime cost of Megan’s TV is $347. Option C is the correct option.
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