Use the trend setting What-If Analysis for each of the 5 years. Change the main parameters up or down (sales, cost of goods sold and operating expenses) to see what would happen to your cash flow, your liquidity, and so forth.
Enter the percentage of increase/decrease for the sales, the cost of goods sold as well as the operating expenses main items. An increase in sales usually means an increase in cost of goods, but in some cases this may not be so. If f.e. you receive a much higher discount from suppliers, it may result in a lower cost of goods.