Which of the following statements is true?

a. The law of demand implies that an increase in the price of a good will decrease the demand for that good.

b. The law of supply implies that an increase in the price of a good will increase the quantity supplied of that good.

c. A change in a nonprice determinant of demand will result in movement along a given demand curve.

d. An increase in supply is reflected graphically as a leftward shift of the supply curve.