Bumper earned net income of $72,000 and has fixed costs of $36,000. Bumper sold 11,000 units for $30 each and has a 40% contribution margin ratio.What were Bumper’s operating income and tax rate?

a.$96,000; 25%

b.$120,000; 40%

c.$270,000; 27%

d.$162,000; 45%