Ex post & ante alphas

At the beginning of the year, a fund's ex ante expected return is $13\mathrm{.}4\%,$ and the expected return on the market is

$11\mathrm{.}9\%.$ The risk$-$free rate is $4\mathrm{.}2\%.$ At the end of the year, the fund's realized return is $12\mathrm{.}8\%,$ and the market return

is $11\mathrm{.}8\%.$ The fund's beta is $0\mathrm{.}5.$

a$.$ What is the ex ante alpha?

$\%$

Round your answer to two decimals

b$.$ What is the ex post alpha?

$\%$

Round your answer to two decimals