A Farmer Grows Wheat and Sells It to a Bakery

Multiple Choice

A farmer grows wheat and sells it to a bakery for $5.The bakery bakes the wheat into bread, which it sells to a distributor for $20.The distributor sells the bread to a supermarket for $30, which sells the bread to customers for $50.At which stage was the most value added?  

A)  at the farming stage 
B)  at the bakery stage 
C)  at the distributor stage 
D)  at the supermarket stage