Catherine bought 355 shares of Trochel Office Supplies at $31.29 per share. Several months later, the price went up and she sold them at $49.88 per share. How much profit did Catherine make?

Catherine earned $49.88 − $31.29 = $18.59 per share. For 355 shares, her profit was $18.59 × 355 = $6,599.45, so the correct choice is $6,599.45.

AI-written and checked against the verified answer.