In Sam's hanger there are 23 boxes, 16 out of the boxes are filled with toys and the rest are filled with electrical appliances. 8 boxes are for sale, 5 of them are filled with toys. How many boxes with electrical appliances are in Sam's hanger that is not for sale?	Choose the correct answer
A) 1.
B) 2
C) 3
D) 4
E) 5
Total boxes = 23   Filled with toys = 16   Filled with appliance = 7   Total boxes for sale = 8   Toy boxes for sale = 5   Appliance boxes for sale = 3   Appliance boxes not for sale = 7 - 3= 
<gadget id="calculator">7 - 3</gadget>
<output>4</output>
4   Correct Option: 4
<result>D</result>
In Sam's hanger there are 23 boxes, 16 out of the boxes are filled with toys and the rest are filled with electrical appliances. 8 boxes are for sale, 5 of them are filled with toys. How many boxes with electrical appliances are in Sam's hanger that is not for sale?