Which of the following statements is least consistent with the lecture content on account based pensions (abp):
a. If someone is aged over 60, the income drawn from the abp is normally tax-free and investment earnings are also normally tax-free as well.
b. Only a regular income can be drawn from superannuation savings in an abp.
c. Lump sum withdrawals are not allowed.
d. They allow someone to draw a regular income from their superannuation savings after they have reached their preservation age and permanently retired.
e. The concessional tax allowances for abps are subject to the transfer balance cap.