In Which One of the Following Lists Are ALL Items

In which one of the following lists are ALL items relevant when computing net employment income?

A) Employee contributions to a registered pension plan; signing bonus on accepting employment; use of an employer-owned automobile.
B) Monthly automobile allowance; dental plan paid for by the employer; promotional cost incurred in selling the employer's products.
C) Subsidized meals in employer's facilities; life insurance paid by the employer; legal fees incurred to collect unpaid salary.
D) Tips and gratuities; dental insurance paid by the employer; exercise of options to purchase shares of the publicly traded employer.