When two variables have an inverse relationship, the slope is
A) negative.
B) positive.
C) infinity.
D) zero.
Question 2
All of the following will cause a shift in the supply of smartphones EXCEPT
A) a decrease in the prices of smartphones.
B) an increase in the cost of producing smartphones.
C) a per-unit government subsidy on the production of smartphones.
D) a decrease in the number of smartphone manufacturers.