1.4. Income statement - period-based accounting method Establish based on the following information the Income Statement based on the period-based accounting method (all values in 000 CHF) using the table below (6 points): Revenue | Inventory changes (-' means inventory decrease) Materaial expenses Wages and salary expenses Other expenses Depreciation. Interest Tax rate (of EBT) 13'000 +1'000 3'000 1'200 800 3'000 500 40% Calcualtion value '000 CHF Operating Income Gross margin EBITDA EBIT EBT profit (in TCHF, rounded to one decimal place)