can someone help me on this problem if is mangerial accounting thank youuu

QS 12-9 (Algo) Computing investing cash flows LO P3 Indicate the effect cach separate transaction has on investing cash flows. (Amounts to be deducted should be indicated with a minus sign.) a. Sold a truck costing $45,000, with $24,000 of accumulated depreciation, for $10,000 cash. The sale results in a $11,000 loss. b. Sold a machine costing $12,600, with $9,000 of accumulated depreciation, for $7,000 cash. The sale results in a $3,400 gain. c. Purchased stock investments for $21,000 cash. The purchaser believes the stock is worth at least $32,000