What would the payment of accounts be for Q4?

please show work,

thank you

Problems 4 and 5: Calculating Payments. Palladium Catalysis Products has projected the following sales for the coming year: Q1 9,300 Q2 12,100 Q3 17.000 Q4 16,800 Projected Sales Sales in the year following this one are projected to be 12% greater in each quarter. 4 a-d: Calculate payments to suppliers assuming that Palladium Catalysis places orders during each quarter equal to 25% of projected sales for the next quarter. Assume that Palladium Catalysis pays immediately. 4a. Payment of Accounts for Q1 are $ 30 20.00 4a. Points: 1.25 4b. Payment of Accounts for Q2 are $4250.00 4b. Points: 1.25 4c. Payment of Accounts for Q3 are $ 4200.00