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Sales Projections include the number of units sold, the retail price, the net price and the gross revenue.
Cost of Goods include your cost for providing a single unit including labor and all other indirect costs such as shipping, packaging, etc.
Controllable prices includes payments and payroll expenses (benefits,profits,loss, etc.)legal and accounting expenses, advertisement and the market expenses, auto-expenses, office supplies, utilities, repair and maintenance, and other outside services. Anything that fluctuates in cost from month to month and year to year.
Fixed Expenses - These include office rental, depreciation (amortization of capital assets), loan payments, insurance, licenses and permits, and other fixed monthly goods and expenses.

After the overall expenditure, subtract your total goods and expenses from your profit to get your Profit (or Loss) from that taxes.