please the question A and C i am not sure.

b- is (119,590)

d- is 230,550

can you guys find A and C?

Use the following cash flow data of Herman Miller Office Furniture for the year ended December 31, 2019 Sale of a used Bus 45450 Cash dividend 90000 Purchase of land 28280 Interest payment on debt 26260 Cash Payment on Salary 90900 Purchase of a New Drilling machine 76760 Purchase of New Wood working machine 60000 Repurchase of stock 75000 Cash payments to Vendor 161600 Cash collections from customers 393900 Cash at the beginning of the year 400000 a. What is the net cash provided by or used in operating activities? (sample answer. -S135,000 or $135,000) b. What is the net cash provided by or used in investing activities? (sample answer: -$135,000 $135,000) c. What is the net cash provided by or used in financing activities? (sample answer: -$135,000 or $135,000) d. What is the cash at the end of the year? (sample answer: $135,000 or $135,000)