9. Best Appliances had the following revenue over the past five years: 20x1 $900,000 20X2 1,100,000 20X3 1,300,000 20X4 1,300,000 20X5 1,400,000 To predict revenues for 20X6, Best Appliances uses the average for the past five years. The company's breakeven revenue is $700,000 per year. What is the company's predicted margin of safety for 20X6? A. $700,000 B. $620,000 C. $600,000 D. $500,000