Six months into the project, the Office Manger decides that is is time to integrate the IT payroll software with the scanning software that you ae currently managing. Which of the following is an efficient way of handling this issue without derailing the work on the current project?
A) Ask the seller to slip in the integration as part of the original contract without modifying the terms and conditions.
B) Hire another firm to complete the interation of software
C) Stop the project and completely rewrite the original scope of work, thereby extending the completion date by four months.
D) Establish a separate "add-on" time and materials contract to cover those extra hours expended on the integration.