If Someone Invents a More Cost Effective Way to Produce

Multiple Choice

If someone invents a more cost effective way to produce frozen pizzas,then

A) The market supply curve for frozen pizzas will shift to the right.
B) The market supply curve for frozen pizzas will shift to the left.
C) There will be a movement up along the market supply curve for frozen pizzas.
D) There will be a movement down along the market supply curve for frozen pizzas.