Assume RetailItem is the name of a class, and the class has a void member function named setPrice, which accepts a double argument. If soap is an instance of the RetalItem class, which of the following statements properly uses the soap object to call the setPrice member function?
A) RetailItem::setPrice(1.49);
B) soap::setPrice(1.49);
C) soap.setPrice(1.49);
D) soap:setPrice(1.49);
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