On Which amount RCM Applicable

Sir Hamney 3 Nos Auto Van Hire kiya Regular basis pey local Goods Delivery karney key liye From Godwan to Dealers, and Rent paid per auto 1500/= per day 3 differant auto Driver and same day i purchase Goods Rs .5100 from unregister Dealers. sir mey janna chati ho kon sa amount pey RCM dena parey ga. 5100 pey ya 9600/= pey.