In the manufacture of a certain product, 9 percent of the units produced are defective and 5 percent of the defective units are shipped for sale. What percent of the units produced are defective units that are shipped for sale? Choose the correct choice from the following choices:
A) 0.15% B) 0.45% C) 0.8% D) 1.25% E) 2.0%
0.09*0.05= 
<gadget id="calculator">0.09*0.05</gadget>
<output>0.0045</output>
0.0045= 0.45%   The answer is 0.45%.
<result>B</result>
In the manufacture of a certain product, 9 percent of the units produced are defective and 5 percent of the defective units are shipped for sale. What percent of the units produced are defective units that are shipped for sale?