Each measurement needs to be reported on an individual basis and then totaled to develop a store measure. Number of customers who purchased something from each salesperson - gathered from the back office or from a salesperson tally sheet. Number of upholstered items sold - from your accounting system or a tally sheet. Number of upholstered items treated - from your accounting system or a tally sheet. It is calculated by dividing the number of customers who actually purchase something from a salesperson by the number of customers greeted by that salesperson.
Average sale is the average amount customers buy from a particular salesperson.
It is calculated by dividing the sales volume written by a salesperson by the number of customers who actually purchase something from that salesperson. In most stores both number of sales and total sales volume are tracked by the office. This means that average sale is based on information that is not typically subject to lapses in record keeping, errors, or deliberate manipulation. Average sale is, therefore, the most valid of all performance measures. Finally fabric protection close ratio can be calculated by dividing the number of upholstered items treated by the number of upholstered items sold.