Which of the following statements are true and which are false？ A. When people exert more effort to save $5 on $25 radio than to save $5 on a $500 jacket it is because they have limited psychological bandwidth.

B. Other things being equal, owning a highly diversified portfolio that includes some investment in cryptocurrencies is less risky than the same portfolio without any cryptocurrencies.

C. Owning a highly diversified portfolio that has around 50% of its total value in cryptocurrencies is more risky than a highly diversified portfolio with no exposure to cryptocurrencies.

D. In a highly competitive market, it is possible for an industry sector to grow strongly yet all the companies in the sector decrease in shareholder value.

E. A skilled, competent fund manager may underperform the market even up to ten years.