The cache is NOT located at the listed coordinates and definitely is not on top of nor is it inside the large grocery store. However, judicious use of the three words in the cache name along with the correct cyber tool should lead you to an 8' tall item in which you should find 3 numbers aligned in a vertical fashion. Those numbers should be substituted for the letters A, B, and C into the following formula, where A = the highest number, B = the middle number, and C = the lowest number.:
N 30 12.6AB W095 31. 9C4