HFO Refrigerants. HFO (hydrofluoro-olefin) refrigerants are the fourth generation of fluorine-based refrigerants. HFC refrigerants are composed of hydrogen, fluorine and carbon atoms connected by single bonds between the atoms.
Quarter means one year divided by 4 (quartering thâ¦e year) Some companies have fiscal year not calendar year quarters. In this case, find out what is their year end date. For example, if it's fiscal year end on May 31, the first Q starts June 1 to August 31, and so on.
Month End/Year End Closing. Month End Close. Month end close is performed to finalize a snap shot of transactional activity for a period. Most processes run at month end are also run on a daily and/or weekly basis.