Shepherd Industries had the following cash flows by major categories during the current year. Cash provided by: Receipts from customers $560,000 Sale of bonds 420,000 Sale of treasury stock 52,000 Interest and dividends received 56,000 236,000 Sale of equipment (at a $56,000 loss) Cash used for: Payments to employees $145,000 Payments to purchase inventory 190,000 Dividends on common stock 60,000 Purchase of treasury stock 20,000 Interest expense 82,000 a. Calculate the net amount of cash provided by or used for financing activities for the year. b. Briefly justify why you excluded any of these items in your calculation in part a c. Briefly explain your treatment of interest expense in your calculation in part