Accounting Questions?

Accounting Questions?
Could someone please help me answer the following accounting questions? Which of the following would indicate a cash disbursement? A. Selling equipment at a loss. B. A decrease in accounts receivable. C. An increase in prepaid expenses. D. A decrease in inventory. Which of the following is not classified among the investing activities in a statement of cash flows? A. Purchase of marketable securities for cash. B. Collection of the principal amount of cash loans made to others. C. Investment of cash made in the business by the owners. D. Purchase of plant assets for cash. I think that question #1 is D and #2 is C but I am not sure.