Calculate the gross and net profits (in $) and the two profit margins (as %s) for the given company. (Round profit margins to the nearest tenth of a percent.)

Company	Net Sales	Cost of Goods Sold	Gross Profit	Operating Expenses	Net Profit	Gross Profit Margin (%)	Net Profit Margin (%)
a countertop installer	$754,500	$486,560	$	$179,410	$	%	%