Because business partners are focused on their requirements and value added to the business, they may overlook the amount of time it takes to perform housekeeping on the written code. Called refactoring, this cleanup and simplification
is essential to having solid code that works presently and is easily maintained in the future. The other responses are incorrect because the writing of user stories doesn’t occur during an iteration; team members getting sick or taking
vacation days is not a consideration in ideal days of agile projects; code testing is part of the iteration timeline.