Question below

The figure shows the supply curve of microwaves. Price (dollars per microwave) 100- If the price of a microwave rises from $20 to $60, while all other influences on selling plans are unchanged, the quantity of microwaves supplied S 80- 60- O A. increases by an unknown amount O B. decreases from 18 million to 6 million O C. decreases by an unknown amount 40- O D. increases from 6 million to 18 million 20- 6 12 18 24 30 Quantity (millions of microwaves per year)