Use the information in the following table to compute each department's contribution to overhead (both in dollars and as a percent). (Round Contribution percent to 1 decimal place.) Sales Cost of goods sold Gross profit Total direct expenses Contribution to overhead Contribution percent of sales) Dept. A Dept. B Dept. c $ 55,000 $ 219,000 $ 85,000 34,650 113,880 45,050 20,350 105,120 39,950 4,380 38,320 9,366 Which department contributes the largest dollar amount to total overhead? Department A Department B Department C Which department contributes the highest percent (as a percent of sales) to total overhead