$9.$ Go to the Estimated Earnings worksheet. Hwan has entered most of the income and expense data on the worksheet. He estimates sales will be $$825,000$ in Year $1$ and $$1,800,000$ in Year $5.$ He needs to calculate the sales amounts for Years $24.$ The sales should increase at a constant amount from year to year.

Project the sales amounts for Years $24($cells D$9$:F$9)$ using a Linear Trend interpolation