Indicate the effect each separate transaction has on investing cash flows.

Note: Amounts to be deducted should be indicated with a minus sign.

a$.$ Sold a truck costing $$42,000,$ with $$22,800$ of accumulated depreciation, for $$8,800$ cash. The sale results in a $$10,400$ loss.

b$.$ Sold a machine costing $$11,400,$ with $$8,400$ of accumulated depreciation, for $$5,800$ cash. The sale results in a $$2,800$ gain.

c$.$ Purchased stock investments for $$18,000$ cash. The purchaser believes the stock is worth at least $$30,800.$

$\backslash$table$[[$Cash flows from investing activities,$],[,],[,],[,],[,],[,]]$