please explain each step

2019 Revenue 500001 COGS fixed 2000 COGS variable 20000 Gross Profit 28000 OpEx fixed 800 OpEx variable 7500 Depreciation 3680 EBIT 16020 Interest all fixed 6900 EBT 9120 Tax (%20) 1824 Net Income 7296 Preferred Stock Dividend 2000 Earning available to 5296 Common Stockholder If we forecast 2020 revenue increase by 25% and the depreciation remain the same Type 1000 for positive one thousand and -1000 for negative one thousand Do not use comma or full stop 2020 Gross profit will be 32500 2020 EBIT will be 18445 2020 Earning available to common shareholders 10356