The Wax Works sells 400 candles at a price of $6 per candle. The Wax Works' total costs for producing 400 candles are $2,500. The Wax Works' economic profit is

In the figure above, suppose the original budget line is BD. A fall in the price of a compact disc will

A) rotate the budget line to AD. B) rotate the budget line to CD. C) not move the budget line. D) result in a parallel leftward shift of the budget line.

Suppose an economics forecaster discovers that on days when the sunspot count is high stock market on the following day is bullish, that is stock market prices edge upwards

In addition, he also observes that on days with a low sunspot count the following day the stock market tends to be bearish, that is stock market prices tend to fall. The forecaster then concludes that there is a positive relationship between the sunspot count and stock market prices and proceeds to base his investment decisions on this premise. What kind of an error has this forecaster made?