Columbia paper has following stockholders's equity account .the firm's common stock has has current market price of $30 per share
Preferred stock $100000
c,s (10000shares at 2 par) 20000
Paid in capital in excess of par 280000
Retained earnings 100000
Total stockholders equity $500000
a... show da effect on columbia of 5% of stock dividend
b... show da effect of 10and 20% stock dividend
c.discuss da effect of stock dividend on stockholders equity

I can not understand this question please solve this question

We do not "solve" homework here. Homework was meant for the student to solve.

Principles of Accounting Chapter 14

Scroll down to the stock dividend portion. At least make some attempt to do the homework and you can post those attempts.