Lauder Company had fixed costs of $282,500, variable costs of $645,000, and actual sales amounted to $1,100,000. If the company has a break-even point at $750,000 in sales revenue.

a. Determine the margin of safety expressed in dollars. $

b. Determine the margin of safety expressed as a percentage of sales. Enter the percentage amount as a whole number (for example, enter 10% as "10"). %

c. Determine the contribution margin ratio. %

d. Determine the operating income. $