Crane Company is considering two alternatives. Alternative A will have sales of $155,900 and costs of $103,600. Alternative B will have sales of $180,900 and costs of $131,600. Compare alternative A with alternative B showing incremental revenues, costs, and net income. (If an amount reduces the net income then enter with a negative sign preceding the number, eg. - 15,000 or parenthesis, es. (15,000).)