When the Fed chooses to target interest rates, it loses the ability to target monetary aggregates

The above figure shows the market demand curve for mobile telecommunications (time spent on a mobile phone). At the current price of $0.35 per minute, consumer surplus equals

A) $301.00. B) $924.50. C) $1,225.50. D) $1,250.00.

Products sold by monopolistically competitive firms are perfect substitutes of each other

a. True b. False Indicate whether the statement is true or false