Which of the following statements regarding a Section 529 plan is CORRECT? A) There is a penalty on the entire amount if a distribution is not used for qualified education expenses. B) The contributor may change the investment mix twice during a rolling 12-month period. C) Up to five years of contributions may be frontloaded into a single year without triggering a federal gift tax. D) The contributor may roll over the account to a different states plan only twice per year.