A Billable expenses are the expenses incurred by you in carrying out your own business / performing your own duties and responsibilities and Non-billable expenses are the expenses incurred by you on behalf of your customer in performing duties / rendering services and supplying goods
B Billable expenses are the expenses incurred by you on behalf of your customer in performing duties / rendering services and supplying goodsand Non-billable expenses are the expenses incurred by you in carrying out your own business / duties and performing your own responsibilities.
C Neither of the above