Answer:
b. 60%
Explanation:
The computation of percentage is assigned to Cost of Goods Sold is shown below:-
                   $      %
Sales                  $300    $100
Cost of Goods Sold      $180     $60  ($180 ÷ $300) × 100
Gross Profit            $120     $40  ($120 ÷ $300) × 100
Operating Expenses      $45      $15  ($45 ÷ $300) × 100
Net Income            $75      $25 ($75 ÷ $300) × 100
Percentage assigned to cost of goods sold = Cost of goods sold ÷ Sales × 100
= $180 ÷ $300 × 100
= 60%
Therefore for computing the percentage is assigned to Cost of Goods Sold we simply applied the above formula.