In your example, if you pressure the constraints more there is a pivot where Corp A can't sell units at said price point and quality. If Corp B drops price to $50 a unit, they are losing money or the product is compromised on quality. Corp B may be able to lose money for a while to dominate a market, but not if the levers are pressured enough.
Either way, speculative. Or perhaps some boundary conditions is hit and everything collapses
It's going to collapse anyways.
The American public is still reeling financially from covid.
These tarriffs will only strengthen China's world position and lead America into a depression.
Worst case scenario it's another 2008 situation but the companies don't get bailed out again (That would be really really bad)