1. The company always predicts sales in the future. How do companies predict sales using macroeconomic conditions?

2. Anita will add 10 new toaster machines. The price of 10 toaster machines is Rp. 55 million. In the first year, Anita is estimated to get a profit of Rp. 15 million. The second year is IDR 15 million. Third, fourth and fifth years of Rp. 10 million. If the interest rate is 7% per year. Is the purchase of 10 new machines profitable or not?