Use the Information Below to Answer the Following Questions

Use the information below to answer the following questions.
Fact 17.2.1
Wanda's is a fish store that hires students to pack the fish.The fish market is competitive.Originally the price is 50¢ a kilogram.The market for packers is competitive and their market wage rate is $7.50 an hour.Then the market price of fish falls to 33.33¢ a kilogram but the wage rate of fish packers remains at $7.50 an hour.
-Refer to Fact 17.2.1.As a result,

A) Wanda's demand for labour curve shifts rightward and the firm hires more students.
B) the value of marginal product decreases,but Wanda's still continues to hire the same number of students.
C) Wanda's demand for labour curve shifts leftward and the firm hires fewer students.
D) marginal product increases so Wanda's hires more students.
E) Wanda's demand for labour curve shifts leftward and the students' supply of labour curve shifts leftward,and the firm hires fewer students.