Raghav has developed an application to automate the billing process of the A arvee
Departmental Store. When the product is in operation, the client found that the place of the phone
number, it prints the Customer ID. So he approaches Raghav to fix the issue. What type of
Maintenance does the above scenario depict?
a. Corrective
b. Adaptive
c. Predictive
d. Preventive
