a 2. 8e+07 Relative abundance 2. Ge+07 2. 4e+07 2. 2e+07: 2e+07: 1. 8e+07 1. Ge+07 1. 1e+07 1. 2e+07 le+07 8000000 6000000 b 1000000 2000000 C 10.00 20. 00 30.00 40. 00 50.00 60.00 70.00 80.00 e Time(min) ef cN you give me the retention time from the picture