Biology Forums - Study Force

Imagine a shopkeeper who is honest because being honest is good for business. When the shopkeeper refrains from
  cheating a customer, Kant would say this action

 
 

a. was wrong because its motive was impure.
  b. was in accordance with duty, but not done from duty.
  c. displayed a high level of moral worth.
  d. shows that he was following the categorical imperative

b