4 I need 200% perfect answer of both parts. Please please give answer in less than 30 minutes. Just give perfect answer. No explanation needed. I will give positive rating.

Cole, Inc. sells surf boards. 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. 250.000 Earnings before interest and taxes (EBIT).................... 117,500 Interest expense.......... 62.500 Earnings before taxes (EBT).. 55,000 Income tax expense (30%)... 16,500 Earnings after taxes (EAT)...... $ 38,500 What is Cole's DOL (degree of operating leverage)? 0 2.2 O 2.4 O 3.1 O 4.0