Still need help if so answer is three i just took the same ia test
The correct option is D.
Marginal cost refers to the amount of money it cost a company to produce one more of a particular product while the marginal benefit refers to the benefit that is obtained as a result of producing that one extra product. Profit is maximized when the marginal cost equals the marginal benefits.
The subordinating clause of this sentence is... when we went to the Fourth of July picnic. Hope this helps!
