25-year-old man comes to the emergency department with a mild asthma attack. He responds well to treatment with salbutamol via a nebulizer and oral prednisolone. The patient would like to go home. In addition to an inhaled corticosteroid/Long-acting beta agonist (ICS/LABA) and a short acting beta-agonist (SABA). which of the following should be his medication regimen?