Darrel receives a weekly salary of $324. In addition, $17 is paid for every item sold in excess of 100 items. How much will Darrel earn for the week if he sold 243 items?

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.