The correct option based on the slope determination is:
D.) Costs are increasing at a rate of $51 per item
What is the slope cost?
The slope of a line is the degree of change in y coordinates(costs) with respect to change in x coordinates(volume of output).
The formula for slope of the costs is as given below:
slope=(new costs-old costs)/(new quantity-old quantity)
new costs=$58,100
old costs=$55,040
new quantity=1000
old quantity=940
slope=($58,100-$55,040)/(1000-940)
slope=$51.00
This implies that for every additional new electronic part, the cost goes up by $51.00
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