May I please have help with this? Will make sure to upvote, thank you

(Click on the icon here in order to copy the contents of the data table below into a spreadsheet.) Rounded Depreciation Percentages by Recovery Year Using MACRS for a. Use the relevant data to determine the operating cash flow for the current year. First Four Property Classes b. Explain the impact that depreciation, as well as any other noncash charges, has on a firm's cash flows. a. Complete the following table to determine the operating cash flow (OCF): (Round to the nearest dollar.) These percentages have been rounded to the nearest whole percent to simplify calculations while retaining realism. To calculate the actual depreciation for tax purposes, be sure to apply the actual unrounded percentages or directly apply double-declining balance (200%) depreciation using the half-year convention