A new breed of deep purple roses, which are twice as expensive as other types of roses, are currently very popular among wealthy individuals for landscaping their estates. The price of these rose bushes has risen by 25% over the last year and are expected to rise even more in the coming months, even as farmers plant more bushes to try to meet demand. Which of the following is least likely to result in a mania? Question 23 options: a. The government restricts market access to the new bushes. b. The middle class demonstrates almost zero interest in the new breed. c. Interest rates in the economy fall to historic lows. d. The government imposes an import tariff on the new breed of roses