According to strategy matrix, when a company overprices its product in relation to its quality it is considered to be using which type of strategy?

It's an overcharging strategy. 

A premium strategy would involve a higher quality product as well as a higher price.

b. Premium strategy.^^^^^^^^^^^^^^^

b. >>>>>>>>>>>>>>>> Premium strategy.

>>>>>>>>>>>>>  b. Premium strategy.  >>>>>>>>>>>>>>>>>>

c. overcharging strategy........................ is the right answer........... 

The answer is : Option ( B )

This is known as snob strategy