Complete the following table Do not enter dollar signs or commas in the input boxes. Use the negative sign for negative values. Round all answers to 1 decimal place. Vertical common size Horizontal analysis Difference % change Sales revenue August Sept 2005 2006 Room service $13,500 $12,000 $ % % % Dining room $76,100 $68,600 $ % % % Bar-Lounge $4,900 $4,200 $ % % % Coffee shop $53,400 $48,600 $ % % % Banquets $66,500 $70,600 $ % % % Total Sales revenue $214,400 $204,000 $ % % % Cost of sales $-74,700 $-71,600 $ % % % Gross profit $139,700 $132,400 $ % % % Operating expenses Wages and salaries $71,300 $67,000 $ % % % Employee benefits $13,200 $11,700 $ % % % Linen and laundry $3,200 $2,900 $ % % % China, Glassware & tableware $4,900 $4,600 $ % % % Misc operating cost $4,300 $4,100 $ % % % Operating supplies $8,400 $7,300 $ % % % Total operating expenses $105,300 $97,600 $ % % % Departmental operating income $34,400 $34,800 $ % %