Find the cost ratio for the inventory table shown below. Date of purchase Units purchased Cost per Total Retail price Total retail unit cost per unit value Beginning inventory 95 $11 $1,045 $18 $1,710 April 12 22 $9 $198 $12 $264 May 8 16 $10 $160 $16 $256 June 2 36 $13 $468 $21 $756 Goods available for sale 169 $1,871 $2,986 Units sold 89 Ending inventory 80 The cost ratio is (Type an integer or decimal rounded to the nearest thousandth as needed.)