Question $16(2\mathrm{.}5$ points$)$Which of the following behavioral finance errors does research indicate are likely to be made by professional money managers?$1.$ Herding$\mathrm{.}2.$ Confirmation bias$\mathrm{.}3.$ Overconfidence bias$\mathrm{.}4.$ Mental accounting$\mathrm{.}1$ and $3\mathrm{.}1$ and $4.1$ and $2\mathrm{.}1,2$ and $3.$