1. On June 1, XYZ Merchandising purchased inventory for $150000, and sold it all for $240000 during the month of June. All purchases and sales are subject to 13% HST. On June 30, XYZ made a payment to the government for HST owed. In what amount was cash credited when XYZ made the payment?

please show me how to solve this question. (the answer is :11700)