Riverbed Corporation had the following 2020 income statement. Question 9 of 10 \begin{tabular}{|c|c|c|c|} \hline \multicolumn{4}{|c|}{ Accounts Receivable } \\ \hline 1/1/20 & 20,000 & Write-offs & 1,000 \\ \hline Revenues & 105,000 & Collections & 95,000 \\ \hline 12/31/20 & 29.000 & & \\ \hline \end{tabular} Allowance for Doubtful Accounts (a) Prepare Riverbed's cash flows from operating activities section of the statement of cash flows using the direct (b) Frepare Riverbeds cash tows from operating activities section of the statement or cash fiows using the indirect method: (Sho omounts that decrease cash flow wth elther asign eg 15,000 or in porenthesis eg. (15,000) )