QT-202303024R1: Annual PM of (A) 1 unit of GCMS (GC: CN14183094, MS: US1416M204) + 1 unit of Frontier Pyrolyzer (2004320206D), (B) 1 unit of GCMS (GC: US10801004, MS: US80138341) + (C) 1 unit of GCMS (GC: US10903063, MS: US83131599) (S$4,000, no indication of 'Unlimited Service Calls' in quote)