Please answer this multiple choice question with the BEST CORRECT ANSWER on your exam.

The aircraft engine manufacturing industry has long been dominated by two large engine manufacturers, GE and Rolls$-$Royce. In $2020$ and $2021,$ the demand for aircraft was low due to the unprecedented pandemic crisis. As a result, GE and Rolls$-$Royce aggressively competed for orders from airline assemblers such as Boeing and Airbus. What effect will these conditions have on the aircraft engine manufacturing industry?

Select one:

a$.$ It will make the industry more attractive because of decreased competitive rivalry between the existing competitors.

b$.$ It will make the industry less attractive because of decreased bargaining power over buyers.

c$.$ It will make the industry more attractive because of increased entrance barriers against new entrants.

d$.$ It will make the industry less attractive because of decreased bargaining power over suppliers.