Data regarding Petrilla Corp. In March 20X9; Selected opening balances: GST payable CPP payable EI payable $65,000 (cr.) 4,000 (cr.) 6,000 (cr.) Income tax deductions payable 17,640 (cr.) a. Cash sales for the period, $1,000,000 plus 5% GST. b. Monthly payroll, $128,000; less El, $4,000; CPP, $3,000; income tax, $13,000. The employer portion of payroll taxes was also recorded. c. Inventory purchases on account, $1,600,000 plus 5% GST. d. Cash sales, $3,200,000, plus 5% GST. e. Sales to U.S. customer on account, US$180,000. There was no GST on the sale. The U.S. dollar was worth Cdn$1.02 on this date, f. The U.S. customer paid US$150,000 on account, when the U.S. dollar was worth $1.07. The remaining amount will be paid in June. g. GST owing was remitted. h. 70 percent of the amount owing to suppliers in (c) was paid. 1. At the end of the month, the U.S. exchange rate was Cdn$1.06.