Answer:
Gross profit Margin = 47.2%
Operating profit margin = 19.9%
Net Profit Margin = 12.93%
Explanation:
Requirement A: Gross profit margin
Gross Profit = Sales - Cost of sales
Gross Profit = 5.1m
Gross profit Margin = Gross profit/Sales x 100
Gross profit Margin = 5.1/10.8 x 100
Gross profit Margin = 47.2%
Requirement B: Operating profit margin
Operating profit margin = Operating Profit/ Sales x 100
Operating Profit = Gross Profit - selling,general and administrative expense -research and development - depriciation
Operating Profit = 5.1m - 0.55m - 1.2m - 1.2m
Operating Profit = 2.15m
Operating profit margin = 2.15m/10.8m x 100
Operating profit margin = 19.9%
Requirement C: Net profit Margin
Net Profit margin = Net profit / Sales x100
Net Profit = Operating profit - tax
Net Profit = 2.15m - (2.15m x 35%)
Net Profit = 2.15m - 0.7525m
Net Profit = 1.3975m
Net Profit Margin = 1.3975m/10.8m x 100
Net Profit Margin = 12.93%