Below are the costs for a business in a competitive market. When should this business shut down and when should they exit? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a They should shut down if the market price drops below $3.33 and exit if it drops below $5.00. b They should shut down if the market price drops below $5.00 and exit if it drops below $3.33. c They should shut down and exit if the market price drops below $5.d d They should shut down if the market price drops below $6.00 and exit if it drops below $12.00