Below is the financial statement extract for AB Ltd for the years ended 31 December 2018 and 31 December 2019:

Figures 2018 2019

Sales 12,500 18,000

Cost of goods sold (7500) (9500)

selling, general and admin expenses (1800) (2100)

Operating income before taxes 3200 6400

The accountant of AB Ltd informs you that the costs identified in the extract above are mixed costs, i.e., they are partly fixed and partly variable. By analysing data, you determine that AB Ltd is expected to register a sales growth of 10 percent in 2020. Use the data above to generate forecasts of the line items presented in the table above and include the breakdown of fixed and variable costs.