Assume Anderson's General Store bought, on credit, a truckload of merchandise from American Wholesaling costing $$24,100.$ If Anderson's paid National Trucking $$760$ cash for transportation, immediately returned goods to American Wholesaling costing $$1,100,$ and then paid American Wholesaling within the $\frac{1}{30},\frac{n}{60}$ purchase discount period.

How much did this inventory cost Anderson's? Assume Anderson's uses a perpetual inventory system.