The Davidson Company sells lumber and wants to decide how much inventory it will need over the next year. There is a significant amount of new construction going on in the community. To assess the need for lumber, The Davidson Company looked at the data for lumber sales over the past several years and based his assumptions for future on past data. This example shows that it's always a risky to predict growth, but a smart technique is to ________. a. obtain sales data in the industry for several years and draw a conclusion through a moving average b. use the census data to see household trends c. gather data on the income level of the targeted segment d. obtain data on the age of potential home buyers