A Physician Prescribes 20 Mg/day of Nicotine for Robert as Part

A physician prescribes 20 mg/day of nicotine for Robert as part of nicotine-replacement therapy.The dosage can be administered in the form of nicotine lozenges (available as 2-mg and 4-mg lozenges) or nicotine gum (available as 2-mg and 4-mg pieces of gum) .What is the appropriate combination of gum and lozenges required to administer the required dosage?

A) Four 2-mg lozenges and three 4-mg pieces of gum
B) Two 2-mg lozenges and seven 2-mg pieces of gum
C) Five 2-mg lozenges and five 4-mg pieces of gum
D) One 4-mg lozenge and three 4-mg pieces of gum