Manufacturing statistics

Fist mark which ones you think are the most expensive to produce and are produced in the greatest quantity.
Then look up your own product's cost and quantity manufactured each year and two others. Can you find a product that is manufactured in about the same quantity each year as yours? What do you think the profit margin is?

First Period   Seventh Period
Product Cost to produce Quantity Produced
cupcake    
basketball    
socks    
twinkie    
fidget spinner    
soccer ball    
chocolate    
glass    
flip flops    
shirt    
skateboard wheels    
tire    
 
Product Cost to produce Quantity Produced
penny. ?  
baseball    
skittles    
jellybeans    
brownies    
balloons    
m & m's    
drones    
ball bearing    
money (bills)    
marble