The table shows the average revenue of a firm at various levels of output. What happens to total revenue as output rises?

3.7.1 definition of costs of production:Total cost (TC), average total cost (ATC), fixed cost (FC), variable cost (VC), average fixed cost (AFC), average variable cost (AVC).

3.7.2 calculation of costs of production: Definition, drawing and interpretation of diagrams that show how changes in output affect costs of production.

3.7.3 definition of revenue: Total revenue (TR) and average revenue (AR).

3.7.4 calculation of revenue: Calculation of TR and AR

3.7.5 objectives of firms: Survival, social welfare, profit maximisation and growth.