can someone tell me what I need to find to determine if a stock is overvalued or undervalued. I believe its current price but im not sure. please help!

6, inc stock is salling for $70 per share. current carmigs per sharg E0 wer \$4,00, and the diridend Payout ratio is 40% The firm has bean experiencing a 6% annval grewth rate is expated to be in the forescable fotone, The niskifrecrate is 8%, and the market rizk Promium is 5% if the bete of the compeny is 1,50, and an factors remain constent by how much will be stack be undervaned or orervaned? Aiundervalued by 2,15 B. overvarived by $3,15 Cionervalued by \$2:15 D. Comectly valued