Use the data in Problem and Case $4\mathrm{.}11.$ The notes to the financial statements indicated that $80\%$ of the sales for Creative Advertising Limited were credit sales. Inventory purchases, $90\%$ of which were on credit, were $$215,000$ in $2010$ and $$200,000$ in $2009.$ On average there were $325$ employees throughout $2010.$

Required:

$($a$)$Calculate the five efficiency ratios for Creative Advertising Limited for $2010.$

$($b$)$What can you conclude from these ratios?Sales

$$400,000$

$$350,000$

Cost of goods sold

$210,{000}_{?}$

$185,{000}_{?}$

Gross profit

$$190,000$

$$165,000$

Expenses $($excluding interest$)$

$75,{000}_{?}$

$55,{000}_{?}$

EBIT

$ $115,000$

$$110,000$

Interest expense

$20,000$

$20,000$

EBT

$$95,000$

$$90,000$