According to the results shown above, how can we evaluate the load test?

A client is planning to migrate its e-commerce to Salesforce Commerce Cloud. Their expectation is to increase the business volume by 300%. As an architect you decide before go-live execute a load testing in order to check that the new site will fit client expectations.

This table show the results of test execution:

* 500 http error appears twice during search refinement and 404 is shown while accessing an specific PDP.

According to the results shown above, how can we evaluate the load test?
A . There are two blockers. Go live must be postponed until checkout and place order average time is under 1,500 milliseconds. Otherwise a lot of purchases will be lost.
B . Go live must be postponed until those 400/500 errors will be fixed.
C . We can proceed with the go live. All key performance indicators are now better than in the old site even with 300% more volume.
D . In general it is pretty good, the new site will work as expected. We can proceed with the go live and after that some improvements on place order should be done.

Answer: B