Geoffrey buys 48 shares of Deegan Pharmaceuticals at $6.15 each, and his broker charges him a commission of $81. How much did Geoffrey pay for his stock?

First find the cost of the shares: 48 × $6.15 = $295.20. Add the $81 commission: $295.20 + $81 = $376.20. Geoffrey paid $376.20 total, which is choice A.

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