a grocery store gives five loyalty points for every dollar spent in the store. During January its

sales were recorded as $$415,000.$ Customers can redeem their loyalty points in blocks of $500$

to receive one pair of mittens. Because of harsh winter $98\%$ of the customers used this offer.

The store purchases these mittens from the manufacturer @ $$6$ per pair.

Please calculate the liability on the part of the store for loyalty points and provide entry