Answer:
1. A fall in prices of soybean
2. Reduce quantity she supplies
3. Falls below
Step-by-step explanation:
We are to fill in the blanks here
1. In this question the farmer expected price level of 100 but the actual price realized was 90 so there would be a fall in the price of soybean.
2. If farmer feels that price of other goods caused this fall, she would reduce the quantity of soybean that she supplies
3. The quantity supplied is then going to fall below natural level in the short run