If a firm has fixed costs of $50 and variable costs of $100 at a production level of 5 units of output, then the total cost to produce 5 units will be O $50 O $150 O $750 O $800 O $5,500Long Run Average Total 03515 Output Between points C and D, the long-run average total cost curve is characterized by ________ because the rm is experiencing ________ returns to scale. 0 constant returns; constant 0 economies of scale; increasing O economies of scale; constant O diseconomies of scale; increasing Q diseconomies of scale; decreasing Which of the following describes the slope of the long-run average total cost curve when operating with diseconomies of scale? 0 It is at. 0 It is positive. 0 It is negative. C) It is negative and then positive. Q It is positive and then negative. If a rm's explicit costs are $2,000, its implicit costs are $1,000, and its revenue is $5,000, the rm is earning O positive accounting prot of $2,000 O negative accounting prot of $2,000 Q positive economic prot of $3,000 0 positive economic prot of $2,000 0 positive economic prot of $4,000 A firm is earning positive economic profit of $1,000. The firm's implicit costs are $2,000, its explicit costs are $4,000, and its accounting profit is $3,000. What must be its total revenue? O $2,000 O $3,000 O $4,000 O $5,000 O $7,000