Given the following research problems, identify a corresponding decision problem for each that the research problem might address.
a. Design a test market to assess the impact on sales volume of a particular discount theme.
b. Evaluate the stock level at the different warehouses.
c. Evaluate the sales and market share of grocery stores in a particular location.
d. Develop sales forecasts for a particular product line.
e. Assess the level of awareness among students, faculty, and staff about the benefits of a new software package.
f. Assess attitudes and opinions of customers toward existing theme restaurants.