Compute the Commission $\$ 6.47$ B) $\$ 3.02$ C) $\$ 4.22$ D) $\$ 3.92$

Compute the commission. Round to the nearest cent, if necessary.
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A) $\$ 6.47$
B) $\$ 3.02$
C) $\$ 4.22$
D) $\$ 3.92$