Which of the following are ways an overall cost leadership strategy can improve a company's position vis$-$a$-$vis Porter's forces? $($Check all that apply

Low$-$cost leaders can earn returns even when intense rivalry erodes profits.

Powerful buyers can only drive down prices to the level of the next most efficient producer.

Low$-$cost leaders do not need barriers to entry as substitute products are introduced to the market.

Low$-$cost leaders are in a better position to absorb supplier price increases due to their margins.