Sidney has been considering the purchase of a used car that costs $10,000. Using the 20/10 rule, calculate how much money she needs to make to be able to comfortably afford to buy the car. (once again I don't understand what to do please help)

Margaret company reported the following information for the current year: net sales $3,000,000 purchases $1,957,000 beginning inventory $245,000 ending inventory $115,000 cost of goods sold 65% of sales industry averages available are: inventory turnover 5.29 gross profit percentage 28% how do the inventory turnover and gross profit percentage for margaret company compare to the industry averages for the same ratios? (round inventory turnover to two decimal places. round gross profit percentage to the nearest percent.)