Two Types of Used Fender Stratocaster Guitars Are Available for Sale

Two types of used Fender Stratocaster guitars are available for sale: those made in the U.S.and those made in Mexico.It is impossible for the buyer to know which is which,but the seller knows.The value of a U.S.Stratocaster is $900 and the value of a Mexican Stratocaster is $400.The U.S.Stratocasters are 30% of Fender's production and the Mexican Stratocasters are 70% of production.No seller must sell a guitar for less than the guitar's value.
-Refer to the information above.The reservation price of a used Fender Stratocaster will be

A) $900.
B) $550.
C) $400.
D) $280.
E) $270.