This field on the RPA report specifies the period(s) of sales history from Inventory Maintenance which will be used to rank the items.
1 = To Date. Sales history since you last ran Report RIH option C, or since you last cleared the To Date field on the History tab of Inventory Maintenance.
2 = Current Period. Sales history so far this month.
3 = Year to Date. Sales history so far this fiscal year.
4 = Last Year. Sales history for the prior year.
5 = Last 12 Periods. Sales history for the last 12 months, regardless of your fiscal year.
6 = Last 18 Periods. This selection can be used when analyzing Units Sold. To be included, items must have the "Keep Sales History" field in Inventory Maintenance set to Y.
7 = Last 24 periods. This selection can be used when analyzing Units Sold. To be included, items must have the "Keep Sales History" field in Inventory Maintenance set to Y.