checksum

Hey guys I am trying to find the checksum for a hex string. Below attached is the hex code that have checksum already found out and in the 2nd bottom I need to find the checksum 08 D0 1B 60 08 D0 1B 60 00 00 00 00 00 00 00 00 00 0B 75 4B 00 00 91 DC So, in the upper hex code the last 4...