Answer:
B. more than zero if no products were made and would then increase in direct proportion to output
Step-by-step explanation:
Semi-fixed Cost will be "more than zero if no products were made and would then increase in direct proportion to output."
This is because a semi-fixed cost also known as semi-variable cost or mixed cost is a combination of both a fixed factor and a variable factor.
Such that if production was zero some costs would still be incurred. However, as output rises, the variable part of the costs will rise in direct proportion to output.