Data from a sample of 10 pharmacies are used to examine the relation between prescription sales volume and percentage of prescription ingredients purchased directly from the supplier. The response variable is sales volume (in thousands of dollars) and the explanatory volume is percentage of prescription ingredients purchased directly from the supplier. The estimated regression line is given by )=4./ + 1.9/ * with a mean square error of 81.4. What is the estimated sales volume for a store that purchases 20% of its prescription ingredients directly from the supplier? A $44, 100 B $95,970 $34,250 D $7,650