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## How do you calculate values in SQL?

You can **use the string expression argument in an SQL aggregate function** to perform a calculation on values in a field. For example, you could calculate a percentage (such as a surcharge or sales tax) by multiplying a field value by a fraction.

## What is the formula of profit %?

Profit Percentage Formula

This profit is based on the cost price, hence, the formula to find the profit percentage is: **(Profit/Cost Price) × 100.**

## Can SQL do calculations?

**Yes** – SQL Server can perform basic addition, subtraction, multiplication and division. … In addition, SQL Server can calculate SUM, COUNT, AVG, etc. For these type of calculations, check out SQL Server T-SQL Aggregate Functions.

## How can I calculate average?

**Average equals the sum of a set of numbers divided by the count which is the number of the values being added**. For example, say you want the average of 13, 54, 88, 27 and 104. Find the sum of the numbers: 13 + 54 + 88+ 27 + 104 = 286. There are five numbers in our data set, so divide 286 by 5 to get 57.2.

## How do you calculate queries?

**Create a calculated field in a query**

- In the Navigation Pane, right-click the query that you want to change, and then click Design View on the shortcut menu.
- Click the Field cell in the column where you want to create the calculated field.
- To manually create your expression, type your expression.

## What is the formula for total cost?

The formula to calculate total cost is the following: **TC (total cost) = TFC (total fixed cost) + TVC (total variable cost).**

## What is formula of marked price?

Marked Price Formula (MP)

This is basically labelled by shopkeepers to offer a discount to the customers in such a way that, Discount = Marked Price – Selling Price. And Discount Percentage **= (Discount/Marked price) x 100**.

## What is the formula of selling price?

**Selling price = (cost) + (desired profit margin)**

In the formula, the revenue is the selling price, the cost represents the cost of goods sold (the expenses you incur to produce or purchase goods to sell) and the desired profit margin is what you hope to earn.