Review the following problem and answer the questions that follow. 1) What mistake did I make?

2) What suggestion would you give me to avoid making that same mistake in the future?

Afactory buys 10% of its components from suppliers b and the rest from supplier c. it is known that 6% of the components it buys are faulty. of the components brought from suppliers a,9% are faulty and of the components bought from suppliers b, 3% are faulty. find the percentage of components bought from supplier c that are faulty.