Arrow Company purchased $4000 of merchandise on account. Arrow sold the merchandise to a customer for $7000 cash. What is the increase in gross margin and the net change in cash flow from operating activities as a result of these transactions?
GROSS MARGIN CF from Operating Activities a) $7000 $4000 inflow b) $3000 $7000 inflow c) $3000 $7000 outflow d) $4000 $7000 inflow