Answer : C. Caplet form is the most expensive.
Tablet form comes in 50 mg tablets and cost $75.00 for a bottle of 100 tablets.
50 mg of 100 tablets so 50 * 100 = 5000mg
5000mg cost = $75.00
So 1mg of tablet form cost = = 0.015
Capsule form comes in 75 mg capsules and cost $63.75 for a bottle of 85 capsules
75 mg of 85 capsules, so 75 * 85 = 6375mg
6375mg cost = $63.75
So 1mg of Capsule form cost = = $0.01
Caplet form comes in 100 mg caplets and cost $70.00 for 40 caplets
100 mg of 40 caplets , so 100 * 40 = 4000 mg
4000mg cost = $70.00
So 1mg of Caplet form cost = = $0.0175
Caplet form is the most expensive.