O florăreasă a vândut trandafiri in prima ora 2/5 din total a doua ora 2/6 din rest a treia ora 2/4 din noul rest iar a patra ora ultimii 30 de trandafiri

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.