Show all your work please. I need step by step solutions to solve all parts of the problem and show work. Will provide a positive rating if answer for all parts is provided and work is shown

The following is the question that needs to be solved:

Sales 250 Cash Operating expenses 135 Depreciation Expense 15 EBIT 100 Interest Expense 20 Taxes 25 Net Income 55 During the year, Net Working Capital increased by 10 and the company invested 30 in a remodel of its storefront. What was the free cash flow to all investors for the year