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Martinez Design Works generated $$347,760$ in operating income on sales revenue of $$2,484,000.$ The company had $$1,760,000$ in assets on January $1$ and $$2,840,000$ in assets on December $31.$

$($a$-$b$)$

$($a$)$ Calculate Martinez's margin. $($Round answer to $0$ decimal places, e$.$g$.65\%.)$

Martinez's margin

$\%$

$($b$)$ Calculate Martinez's asset turnover. $($Round answer to $2$ decimal places, e$.$g$.0\mathrm{.}65.)$

Martinez's asset turnover times