Which of the following is an example of the fallacy of composition?
a. An electronic goods retailer laid off a few of their sales staff post-Christmas.
b. The manager of a company offered a better compensation package to an employee after reviewing their performance in only one project.
c. In the past decade, there has been an increase in Polonia's representation in the Olympics. The population of the country also increased substantially during this period. It was concluded that an increase in population led to an increase in the number of participants.
d. The revenue of a company and the number of employees in the company increased in the third quarter in 2022. The CEO of the company congratulated the HR department for this achievement.