You are working on a project and you have to purchase some new images to be used on the website. You hadn't budgeted for these costs, but thankfully you have some money put aside that you can easily access as the Project Manager to help cover these small additional costs. Thankfully you don't need to get any special approvals to use these funds, so it will easy to put some of this money towards the additional costs. Based on this information , what is the source of money that you would be using to take care of this cost