a land scaping company placed an order with a nursery. The first order order was 13 bushes, 4 trees, and 7 bundle of flower and total of $579. The second order was 6 bushes, 2 trees and 3 bundle of flower and the total was $ 272. The third order was 9 bundle, 5 trees, and 8 bundle of flower and the total was 548. The bill don t list prices per item. what was the cost per item?