The primary purposes of ___________ control measures to guard against excessive costs. Question 17 options: Labor Cost and sales Production Question 18 (1 point) The ratio of cost to benet should always be less than __________. Question 18 options: 1/2 1/1 1/3 Question 19 (1 point) Excess quantities of __________ do not get into drinks unless put there by bartenders. Question 19 options: Cutleries Liquor Food Question 20 (1 point) The time clock for employees is an example of a simple _________ device. Question 20 options: Training measurement Control Performance measurement