You have signed a time and materials contract with your customer for a work of around 18 months. Your team worked efficiently and finished the work in 16 months itself. Now, if you create invoice for only 16 months, profit of the company will decrease. What you should do in such a situation?

A. Add some additional requirements to elongate the project to 18 months B. Raise invoice for 18 months even if you finished the work in 16 months C. * Inform the customer that project is complete in 16 months and raise invoice for 16 months D. Do not inform the customer regarding the completion and wait till 18 months, in parallel start doing the ground work for the next period