Brighton Electronics sold 4,200 units in December at a sales price of $50 per unit. The variable cost is $30 per unit. Calculate the total contribution margin, the contribution margin percentage, and the contribution margin per unit.

Mia Steel started the year with total assets of $325,000 and total liabilities of $174,000. During the year the business recorded $360,000 in revenues, $190,000 in expenses, and dividends of $99,000. Stockholders' equity at the end of the year was____.

The Tom Corporation forecasts that total overhead for the current year will be $1,500,000 and that total machine hours will be 12,500 hours. Year to date, the actual overhead is $950,000, and the actual machine hours are 18,000 hours. If Tom Corporation uses a predetermined overhead rate based on machine hours for applying overhead, what is that overhead rate? a. $100 per machine hour b. $120 per machine hour c. $80 per machine hour d. $150 per machine hour