The team has a target set each month. Amie's team has to meet this standard each month. Most of their incentives are based on this. This quantitative standard specify desired levels of accomplishment for sales volume, gross margin, net profit, expenses, performance of non-selling activities, or a combination of these and similar items. What performance standard is this? Select one: a. Average cost per call b. Call-frequency ratio c. Quotas d. Order call ratio