THE Company manufactures and sells a single product for $40 per unit. Variable costs are $24 per unit and fixed costs total $180,000. During 2020, THE Company sold 40,000 units of this product to customers. THE Company made the following changes in 2021: 1. decrease the selling price of the product by 25% 2. increase advertising by $30,000 As a result of these changes, the sales in units of this product in 2021 increased 15% from the sales in 2020. THE Company's margin of safety for 2021 was equal to:

Group of answer choices

$300,000

$310,000

$320,000

$330,000

$340,000

$350,000

none of the above choices are correct