24-To calculate marginal cost; a-divide the avearage cost by avearage revenue. b-divide profit amount by revenue amount. c- divide the change in production costs by the change in quantity. d-divide the avearage quantity by avearage revenue. 25-The purpose of analyzing marginal cost is; a- making a prediction for long-term production quantity. making a prediction for short-term production quantity. c determine at what point an organization can optimize production quantity. determine at what point an organization can maximize production quantity. 26- Profit is equal to; a Total output-total Input b- Total revenue-total c cost c Total input-total output Total cost-fixed cost