# data[].attributes.attachment_link.description
Given the cost of producing a good, wha is the best quantity to produce? In this video we explore one of the most fundamental rules in microeconomics: a rational producer produces the quantity where marginal revenue equals marginal costs.

# data[].attributes.body
use marginal analysis to find the level of output that maximizes profits for the business. Profit- maximizing quantity of output- level of production where marginal cost is equal to marginal revenue

# data[].attributes.body
decision making that compares the extra costs of doing something to the extra benefits gained

# data[].attributes.body
extra revenue from the sale of one additional unit of output. You divide the change in total revenue by the marginal product.

# data[].attributes.body
total amount earned by a firm from the sale of its products

# data[].attributes.body
production level where total cost equals total revenue. Only tells the firm how much it has to produce to cover its costs.

# data[].attributes.body
Businesses are using the internet to sell products because its cheaper. They dont need a building for inventory and people engaged in e-commence (electronic building conducted over the internet) don't spend a large amount of money on rent. Instead of paying rent business owners are buying web access

# data[].attributes.body
The sum of fixed costs and variable costs

# data[].attributes.body
production costs that change when production levels change

# data[].attributes.body
costs that remain the same regardless of level of production or services offered,