g) A marketing manager notices that the volume of beer sold is negatively associated with the net retail prices, with a correlation of 0.7. He concludes that: _A. The net retail price is a lurking variable _B. Retail price is not a good explanatory variable since it is negatively correlated with sales volume _C. About half of the variation in beer sales can be explained by retail price when using least squares regression 7D. None of the above