A simultaneous increase in both the demand for MP$3$ players and the supply of MP$3$ players would imply that

Group of answer choices

both the value of MP$3$ players to consumers and the cost of producing MP$3$ players has increased.

both the value of MP$3$ players to consumers and the cost of producing MP$3$ players has decreased.

the value of MP$3$ players to consumers has decreased, and the cost of producing MP$3$ players has increased.

the value of MP$3$ players to consumers has increased, and the cost of producing MP$3$ players has decreased.