Cable television company charge $20.50 per month last year for premium channels this year they are having a special and are charging $16.40 per month for premium channels which of the following statements is true about the situation
A. The cable company increase the monthly charge by 25%
B. The cable company decrease the monthly charge by 20%
C. Cable company increase the monthly charge by 20%
D. The cable company decrease the monthly charge by 25%