The comparative balance sheets for 2024 and 2023 are given below for Surmise Company. Net income for 2024 was $50 million.

Required:
Prepare the statement of cash flows of Surmise Company for the year ended December 31, 2024. Use the indirect method to present cash flows from operating activities because you do not have sufficient information to use the direct method. You will need to make reasonable assumptions concerning the reasons for changes in some account balances. A spreadsheet or T-account analysis will be helpful. 

Assets Cash Accounts receivable Less: Allowance for uncollectible accounts Prepaid expenses Inventory Long-term investment SURMISE COMPANY Comparative Balance Sheets December 31, 2024 and 2023 ($ in millions) Land Buildings and equipment Less: Accumulated depreciation Patent Liabilities Accounts payable Accrued liabilities Notes payable Lease liability Bonds payable Shareholders' Equity Common stock Paid-in capital-excess of par Retained earnings 2024 $36 92 (12) 8 145 80 100 420 (142) 16 $ 743 $ 13 2 35 111 65 60 245 212 $743 2023 $40 96 (4) 5 130 40 100 300 (120) 17 $ 604 $ 32 10 0 0 125 50 205 182 $ 604