Ashopkeeper bought 50 pangas and 30 jembes from a wholesaler A for sh . 4260. Had he bought half as many jembes and 5 pangas less, he would have paid sh. 1290 less. Had he shopkeeper bought from wholesaler B, he would have paid 10% more for a pangas and 15% less for a jembe. How much would he have saved if he had bought the 50 pangas and the 30 jembes from wholesaler B