Identify each of the following as increasing $(+)$ or decreasing $(-)$ cash flows from operating activities $($O$),$ investment activities $($I$),$ or financing activities $($F$).($EXAMPLE: the sale of plant and equipment would increase cash flows from investing activities, and the correct answer would be $+$ I$).$

$*$Options may be used twice or not at all.

Column A

$1.$

Increase in accounts payable:

Increase in accounts payable

$2.$

Decrease in inventory:

Decrease in inventory

$3.$

Sale of preferred stock:

Sale of preferred stock

$4.$

Purchase of new equipment:

Purchase of new equipment

$5.$

Increase in accounts receivable:

Increase in accounts receivable

$6.$

Increase in investments:

Increase in investments

$7.$

Repurchase of common shares outstanding:

Repurchase of common shares outstanding

$8.$

Increase in long$-$term liabilities:

Increase in long$-$term liabilities

Column B

a$.+$O

b$.-$O

c$.-$F

d$.+$F

e$.+$I

f$.-$I