crompton's junior department has a stock turnover of 2.7. The planned sales for October are $8949. Last year, Crompton's recorded a BOM inventory of $2680 for October and a BOM inventory for November of $4100. Last year's sales in the junior department totaled $6780 for the month of October. Based on the stock turnover, calculate the planned stock for the beginning of october. choose between either the basic stock method or the percentage variation method.