Reliance Corporation sold 4,500 units of its product at a price of $20 per unit. Total variable cost per unit is $11.00, consisting of $10.10 in variable production cost and $0.90 in variable selling and administrative cost. Compute the contribution margin for the company.

If 12 million pairs of shoes are sold, , which means that: it would be more efficient for society to devote fewer resources to the production of shoes. it would be fairer for society to devote fewer resources to the production of shoes. society is currently devoting the efficient quantity of resources to the production of shoes. it would be fairer for society to devote more resources to the production of shoes. it would be more efficient for society to devote more resources to the production of shoes.