K& B toy company

$\backslash$table$[[,,$Year $1,,$Year $2,,$Year $3],[$Sales$,$$$,100,000,$$$,120,000,$$$,90,000],[$COGS$,$$$,50,000,$$$,60,000,$$$,40,000],[$Gross$,$$$,50,000,$$$,60,000,$$$,50,000],[$Operating income,$$,15,000,$$$,18,000,$$$,10,000],[$Net income,$$,5,000,$$$,10,000,$$$,9,000]]$

For the following questions, calculate the answer showing the work. Then briefly tell me wh seems to be occurring.

$12$

What is the net margin for all three years?

$13$

$K$& & B toys incurred interest charges of $$3,000$ in year $1,$$$6,000,$ for year $2,$ and $$2,000$ for year $3.$ What is the trend for interest coverage? Good? Bad? Given the drop in interest charges, what may have happened? Is that good?