Hi, I was wondering if you can check the numbers I have already calculated, and then tell me what earning before taxes and interest rate, taxes and net gain is

Sales	$2,160,000
Cost of Goods Sold
Operating Income	$95,680 ($15/hr for machinery plus $31 for watch and fin labor hrs, times 40hrs/week times 52 weeks)
Expenses
Warehouse Supplies Expense (Office supplies, maintenance, ink, printer, etc.)	$17,500
Board Production Expense (Machine, epoxy, sandpaper, tools, etc.)	$312,000 ($400 per board * 3 boards a day *5 days a week * 52 weeks a year)
Marketing & Advertising Expense	$6000 (youtube charges $2000 per ad, 3 ads per year)
Rent	$96,000
Administrative Salary	$273,000
Employee Salary	$40,000 ($20,000 each)
Utilities	$7200
Earnings Before Interest Rate and Taxes
Taxes (30%)
Net gain