Farmer Brown grows blackberries. The average total cost, average variable cost, and marginal cost of growing blackberries for an individual farmer are illustrated in the graph to the right. (Below, in this case)

Farmer Brown will incur losses if the market price falls below $__ per crate (Enter a numeric response using an integer.)
Furthermore, farmer Brown should shut down in the short run if the market price falls below $__ per crate.
I can't understand the material in the book related to this, so I really don't know what to do here. Please explain like I'm five.

1 hour 1 day 1 year atmospheric explosion or small crater 100 years tsunamis, widespread devastation, 1000 years climate change 1 million years mass extinction 100 million years once in Earth's history 100 m 10 m 1 km 10 km 100 km 1 km impactor size (crater is about 10 times larger) typical time between impacts