challenge: What is a challenge in calculating net pay when an employee is abroad and receives a company car benefit in their home country?
  
  A. Determining the correct tax rate to apply
  B. Deciding whether to include the company car benefit in net pay
  C. Calculating the exact value of the company car benefit
  D. Figuring out if some subsidies should be used by someone abroad and unable to use the company car
  Answer: 