identify the W's, name the variables, specify for each variable whether its use indicates it should be treated as categorical or quantitative, and for any quantitative variable identify the units in which it was measured (or note that they were not provided or that the variable does not have units). Question ; Sales. A major Canadian company is interested in seeing how various promotional activities are related to domestic sales. Analysts decide to measure the money spent on different forms of advertising ($ thousand) and sales ($ million) on a monthly basis for the past three years