When Progress Billings are made by a contractor on a long-term contract, what account is credited?

Superior Containers produces restaurant storage containers

The company makes two sizes of containers: regular (55 gallon) and large (100 gallon). Demand for the products is so high that Superior can sell as many of each size as it can produce. The company uses the same machinery to produce both sizes. The machinery can be run for only 2,500 hours per period. Superior can produce 20 regular containers every hour, whereas it can produce 8 large containers in the same amount of time. Fixed costs amount to $250,000 per period. Sales prices and variable costs are as follows: Per Unit Regular Large Sales price $105 $225 Variable costs 28 42 To maximize profits, how many of each size container should Superior produce? Given this product mix, what will the company's operating income be? What will be an ideal response

What is a vertical marketing system (VMS)? What are the various types VMSs?

What will be an ideal response?