Which of the following are true of cost functions for managerial decisions? Group of answer choices We will continue production up to the point where marginal cost and marginal revenue are equal, but not beyond that point As long as revenue from the extra unit is less than its cost, then we will want to produce more If the cost for a unit exceeds the revenue, then we will not want to produce that unit As long as revenue from the extra unit exceeds its cost, then we will want to produce more If the cost for a unit is less than the revenue, then we will not want to produce that unit