Which one of the following is NOT a way to improve the P/Q rating of a company's brand of multi-featured cameras?

A. improving the optical zoom capability of the company's mutli feature camera

B. increasing warranty period from 1 year to 2 year

C. spending additional money to improve the egonomics of the company;s muti-feature cameras model

D. spending additional money to improve the imaging device use in making the muti-feature cameras model

E. increase the size of lCD display screen