The sales of air conditioners and sales of electric fans in a local appliance store are recorded daily during July 1 – July 31. The correlation between the daily sales of air conditioners and the daily sales of electric fans in July found to be 0.92. A least squares regression line that predicts daily sales of air conditioners (y) from daily sales of electric fans (x) is fitted to the data. Which of the following statements must be true?

A. The least squares regression line has a slope close to 1 because the correlation is very strong.
B. The least squares regression line has a positive slope.
C. An increase in the daily sales of electric fans causes an increase in the daily sales of air conditioners in July.
D. 92% of the data points fall on the regression line.
E. Both A) and B)