On December 28,2021 , Tristar Communications sold 19 units of its new satellite uplink system to various customers for $15,000 each. The terms of each sale were 3/15,n/30. Tristar uses the gross method to account for sales discounts: In what year will income before tax be affected by discounts, assuming that all customers paid the net-of-discount amount on January 6,2022 ? By how much