Mini$-$Exercise $8-4($Algo$)$ Effects of a stock split LO $8-4$

Assume that an investor owns $1,600$ shares of $$10$ par value common stock and the company has a $5-$for$-1$ stock split when the market price per share is $$40\mathrm{.}00.$

Required:

How many shares of common stock will the investor own after the stock split?

What will probably happen to the market price per share of the stock?