How much testing should a product undergo?

A. 10 tests

B. 20 tests

C. 100 tests

D. As much as possible

D. As much as possible

Explanation:

Actual testing time depends on the test methods used. For many products, it may be completed in as little as one day, while for those with lifetime tests, such as performance testing for lighting products or solar maintenance testing for roof products, testing may take from several months to three years.

If you want to upgrade your product you would have to know what to upgrade.

Answer:D

To make sure it is ok for people to use. (As long as it is not tested on animals-my personal opinion)