share when the announcement was made.

a$.$ If an investor had $5,750$ shares before the split, how many shares will the investor have after the split? Round your answer to the nearest whole number. shares post$-$split

b$.$ If the stock is trading for $$0\mathrm{.}38$ immediately prior to the split, what is the expected price immediately after the split? Round your answer to the nearest cent. $

c$.$ If the stock opens at $$0\mathrm{.}42$ and closes at $$10\mathrm{.}00$ per share on the day of the split, what is the one$-$day return on the stock? Round your answer to two dedimal places.