Answer:
21.45%
Step-by-step explanation:
The computation of the research and development expense is shown below:
= Research and development ÷ Revenues × 100
= $12,740 ÷ $59,387 × 100
= 21.45%
In a common size income statement, each item is proportionate to the sales value that means the numerator will be the item and the denominator would be sales revenue.
All other information which is given is not relevant. Hence, ignored it