Presented below is the comparative income statement of Edison Company for 2018 and 2017.

Edison Company Income Statement For the Year Ended November 30
	2018	2017
Sales	$188,611	$123,848
Cost of Goods Sold	$110,424	$64,407
Gross Profit	$78,187	$59,441
Operating Expenses
Administrative Expense	$21,184	$10,508
Selling Expense	$27,225	$22,419
Total Operating Expenses	$48,409	$32,927
Other Income and Expenses
Interest Expense	$1,251	$867
Income Before Income Tax	$28,527	$25,647
Income Tax	$8,558	$7,694
Net Income (Loss)	$19,969	$17,953

a) Calculate the following ratios for both years.

Do not enter dollar signs or commas in the input boxes. Round your answers to 2 decimal places.

	2018	2017
Net Profit Margin	Answer	Answer
Time Interest Earned	Answer	Answer

b) In which year does the company have a better performance with respect to the net profit margin calculated in part a)?

Year: