In economics, how long is the long run? O 5 years or more O More than 12 months O 24 months or longer Whatever time it takes a firm to vary all inruts.

If a firm quadruples(4x) in size and output triples (3x), what is the returns to scale? O A Increasing returns to scale O B O с O D Constant returns to scale Decreasing returns to scale Cannot determine

. What are the firm's fixed costs?$ c. What is the variable cost of producing 475 units of output (use least-cost)?$ d. How many units of the variable input should be used to maximize profits?e. What are the maximum profits this firm can earn?$ f. Over what range of the variable input usage do increasing marginal returns exist?From ___  to ____g. Over what range of the variable input usage do decreasing marginal returns exist?From ___ to ___h. Over what range of input usage do negative marginal returns exist?From ___ to ___                                                                                                     . What are the firm's fixed costs?$ c. What is the variable cost of producing 475 units of output (use least-cost)?$ d. How many units of the variable input should be used to maximize profits?e. What are the maximum profits this firm can earn?$ f. Over what range of the variable input usage do increasing marginal returns exist?From  to g. Over what range of the…

Help answer point A. Building Construction

Consider a company with two plants that produce the same exact product. The company wants to minimize the overall costs of producing 5 units. Units Marginal Costs Units Marginal Costs Produced Plant A Produced Plant B 1 $5 1 $5 2 $10 2 $5 3 $15 3 $7 4 $20 4 $9 $25 5 $35 The least cost solution to producing 5 units would require that plant B produces how many units? a. 1 unit 3 units 4 units O d. 5 units