Please explain the Explanation given (2nd photo). Where did the 20% come from in the area where it says, "January sales collected in March ($50,000 x 20%)?

TB MC Qu. 8-31 (Static) All of Gaylord Corporation's sales are on... All of Gaylord Corporation's sales are on account. Thirty-five percent of the sales on account are collected in the month of sale, 45% in the month following sale, and the remainder are collected in the second month following sale. The following are budgeted sales data for the company: What is the amount of cash that should be collected in March? Muitiple Choice $24,000 $37000 $41000 $24,000 $37000 $41.000 551000