4. The file P1404.xlsx lists the monthly sales for a company (in millions of dollars) for a 10-year period. ? a. Fit an exponential trend line to these data.b. By what percentage do you estimate that the company will grow each month?c. Why cant a high rate of exponential growth continue for a long time?d. Rather than an exponential curve, what type of curve might better represent the growth of a new technology?