Sandhill Company is considering two alternatives. Alternative A will have sales of $154,000 and costs of $102,800. Alternative B will have sales of $180,800 and costs of $135,100. 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, e.g. 15,000 or parenthesis, e.g. (15,000).)