Assume that the foundry reported a lower yield of Y = 0.8 instead of the actual yield (Y = 0.9). How would it affect the cost of each chip for the semiconductor design company X? How much profit will...

Assume that the foundry reported a lower yield of Y = 0.8 instead of the actual yield (Y = 0.9). How would it affect the cost of each chip for the semiconductor design company X? How much profit will the foundry make per each wafer by reporting a lower yield?