Market supply schedules include all firms that sell a product in one market. true ^ or ^ false ^

TRUE

Explanation:

Market supply is the total amount of goods that are made available by suppliers in the open market at a variety of prevailing prices at a particular period/time. all the firms that sell a product in one market at a particular prevailing price at a period makes up the market supply schedules.

The market demand schedules involves the total amount of goods that customers are willing to purchase in the open market at the prevailing market price at a particular period  

answer(b) gdp is not affected by

scott's production of the jewelry box;