please answer asap

Mohawk Shoe Store (MSS) operates in Ontario an HST province and only sells fully taxable shoes and boots to customers in Ontario. MSS files its HST returns on a quarterly basis and uses the quick method. During the first quarter, MSS has sales of $28,000 not including HST. Current expenses, all of which were subject to HST total $20,000 not including HST. There were capital expenditures of $15,000 (not including HST). Determine the HST payable or refund for the year. For the following questions, enter your answers to the nearest dollar. Do not enter a dollar sign or decimals but commas and brackets are fine to use. Basic Tax on Sales (enter as positive and round to nearest dollar): $ (2 marks) Credit on First $30,000 in Sales (enter as negative): $ (1 marks) Input Tax Credits (enter as negative): $ (2 marks) Total Payable/Receivable (enter as positive if payable, negative if receivable): $ (1 mark)