Impact on Software development without Testing: 

•  Lot of defects at UAT.
• We have to pay penalty for slippage of delivery.
• High Cost of Defect fixing.
• Dissatisfied Customer.
•  Loss of business.
• Low moral to developer.

Benefits Software Testing:

•  Software Development Perspective
•  To discover defects.
•  To avoid the end user from defect problems.
•  Number of defects detected will tell about  the reliability of the software.
•  To ensure that product works as user expected.

 Business Perspective:

•    To stay in business.
•  To avoid being sued by customer.
•     To detect defects early, this helps in reducing the cost of fixing those defects later.
•  Increase customer satisfaction.