The marked price of a laptop computer was $2 800. When bought on hire purchase, a deposit of $1, 120 was required, followed by 12 monthly installments of $168 each. How much more is the hire purchase price than the cash price? *

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.