12. The Vista TV cable company currently has 1,000 loyal subscribers who are each paying a monthly rate of $150. A survey reveals that there will be one more subscriber for each l¢ decrease in the...

12. The Vista TV cable company currently has 1,000 loyal subscribers who are each paying a monthly rate of $150. A survey reveals that there will be one more subscriber for each l¢ decrease in the rate (the decrease in rate will be enjoyed by everyone, including current subscribers). The monthly rate where maximum revenue will be obtained is given by a) $79.45 b) $79.95 c) $80 d) $80.45 e) $80.95 f) None of the above