Mr$.$ Rolle owns the following securities:

$4,250$ shares of Exxon

$11,750$ shares of MeMe

Exxon is traded on the New York Stock Exchange. The prices from the most recent trade day follow:

Open $162$

High $211\frac{1}{2}$

Low $160$

Close $165$

MeMe is a local company whose stock is sold by brokers on a workout basis. The most recent selling price was $$15.$

$($a$)$ What is Exxon's estimated current value? $($Assume that the commission on Exxon would be $$745)$

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$($b$)$ What is MeMe's estimated current value? $($Assume the commission on MeMe would be $$187)$

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