In the following question, a sentence has been given in Active/Passive voice. Out of four alternatives suggested, select the one which best expresses the same sentence in Passive/Active voice. The payment was collected by the hardworking salesman.

• The hardworking salesman collected the payment.
• The salesman who worked hard was able to collect the payment.
• To collect the payment the salesman had to work hard.
• The hardworking salesman was able to collect the payment.