what is sleek's DOL (degree of operating leverage)? 4.0 2.2 1.2 3.3

Sleek, Inc. manufactures and sells skateboards. The company's income statement for 2021 is as follows: Sales (10,500 boards @ $60 each).. $630,000 Less: Variable costs (10,500 boards at $25) 262,500 Fixed costs.. 200,000 Earnings before interest and taxes (EBIT). 167,500 Interest expense.. 62.500 Earnings before taxes (EBT). 105,000 Income tax expense (30%). 31500 Earnings after taxes (EAT). $ 73,500 What is Sleek's DOL (degree of operating leverage)