Please choose the correct ending to complete the given sentence: Finance and Business: [header] How to calculate gross profit margin and net profit margin [title] Calculate total sales. [step] Add up all the money made from the sale of goods and services sold by your business. This is the total sales.

Ending1: [substeps] If your sales are worldwide and it is mass produced every month or more monthly, this means your business is running super fast. Your first step toward factoring out net profit margins is figuring out how much total revenue or profit that is asked to be added. Ending2: After calculating a net profit margin, you also need to draw out total sales points. ( or, multiply the margins by the sale points to get the total total liquid. Ending3: Once you have the total sales, you have shown your profit margin. Multiply that number by 16 and divide that number by 16. Ending4: You don't necessarily have to calculate your revenue for your business as a whole-depending on your specific needs, you may want to find the revenue for individual departments of your business or for individual products. Total sales can be calculated as number of units sold multiplied by selling price per unit.

Answer format: ending1/ending2/ending3/ending4