Bramble Corp. reported sales of $2000000 last year (100000 units at $20 each), when the break-even point was 81000 units. Bramble's margin of safety ratio is 23%119%19%81% For $ wifty Corporation, sales revenue is $2400000, fixed expenses are $600000, and the contribution margin ratio is 30%. What is the company's net income? $720000$180000$120000$540000