Roberts PLC notices that if it produces fifteen radar detectors, its costs are £1,500 and if
it produces sixteen radar detectors, its costs are £1,590. In this instance, £90 is the firm's
________cost.
A)average
B)fixed
C)variable
D)marginal
E)average variable
it produces sixteen radar detectors, its costs are £1,590. In this instance, £90 is the firm's
________cost.
A)average
B)fixed
C)variable
D)marginal
E)average variable