Merge pull request #73 from siddhu2010/patch-4

Update cloud_gpu.json

Author: hcarlens

cloud_gpu.json

@@ -264,7 +264,7 @@
             "costa100_40": "-",
             "costa100_80": "-",
             "cost3080": "-",
-            "cost3090": "-",
+            "cost3090": "$0.56",
             "cost2080": "-",
             "costp4": "-",
             "costt4": "$0.28",