'1'1. They.r store buys a part for $43 and sells it for a hundred and $15. 1Ir'll'hat is the percent markup? '12. Your current salaryr is $14 an hour. You had just received an 13% raise. 1Ir'lr'hat was 1grour old salary? '13. You need assoc good parts. lr'ou know that about 6% of all the parts ordered will be defective. How rnarw carts must vou order to cet the E-D oood carts