Mohammed’s plan allows him to make contributions that are not tax-deductible, and he is also not taxed on withdrawals, indicating that his employer’s plan is a group TFSA. In a TFSA, contributions are made with after-tax dollars, and withdrawals (including any growth) are tax-free, consistent with the LLQP outline on TFSAs. This is distinct from other retirement accounts, such as RRSPs, which provide tax deductions on contributions but tax the withdrawals as income​​.

Options A, B, and D are incorrect because these plans involve different tax treatments where contributions may be tax-deductible, and withdrawals are generally taxable.