Flagler Company purchased $4,000 of merchandise on account. Flagler sold the merchandise to a customer for $7,000 cash. What is the increase in gross margin and the net change in cash flow from operating activities as a result of these transactions? (Consider the effects of both ports of this event) Flagler Company purchased $4,000 of merchandise on account. Flagler sold the merchandise to a customer for $7,000 cash. What is the increase in gross margin and the net change in cash flow from operating activities as a result of these transactions? (Consider the effects of both ports of this event)