Which statement is true regarding items? You cannot use items on purchase forms.
Items must contain the Preferred Vendor you purchase the item from.
You have to assign an income account and an expense account to every item.
QuickBooks requires you to use items when recording a sale.

this business is a price setter.

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1) the stages a new product goes through from beginning to end, i.e., the stages that a product passes through from introduction through growth, maturity, and decline. 2) the time from initial research and development to the time at which sales and support of the product to customers are withdrawn. 3) the period of time during which a product can be produced and marketed profitably.

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you have to put the parentheses like this:

in fact, you have to perform the operation inside parentheses first, and then proceed in order: