The ex-dividend stock price be if the relevant tax rate is 21 percent and all else is held constant is
SP= $50.18
Generally, the equation for Ex-Dividend Stock Price is mathematically given as
SP= $51.25 - $1.36 * (1 – 0.21)
SP= $51.25 - $1.36 * 0.79
SP = $51.25 - $1.07
SP= $50.18
In conclusion, the ex-dividend stock price will be
SP= $50.18
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