GM AUG 27,7.45AM: CRUDE$73( LTP MCX 3468)RES 3480 SUPP 3450; NAT GAS$3.82 SUPP 175 RES 183/185//GOLD$1237 SUPP 19840 RES 18980, SILVER$17.93 SUPP 30100 RES 30450//LME COPPER$7260 BASE METALS OPEN MARGINALLY WEAKER, EXP SMALL DOWN OPEN COPPER MCX LTP 341.50/NOV COPPER SUPP 340 RES 346//