1. If the product of the integers a,b, and c is 1, then what is the difference between the largest and the smallest possible values of a^2*b^3*c^4?
a. -2 b. -1 c. 1 d. 2

2. Hats are purchased at the rate of $33 per dozen. If they are sold at a closeout sale for $2.50 each, the percent loss on the cost price is:
a. 3 b. 3 1/3 c. 9 1/11 d. 10