Which three problems might be caused if a client does not clean up billable expenses when some expenses are not really billable?

A) Inaccurate unbilled charge reports

B) Customers might be overcharged, making them unhappy

C) Billable time will not post to payroll correctly, leading to payroll being overstated

D) Job Costing reports will be skewed, leading to inaccurate pricing issues in the future

E) Customers might be undercharged, leading to profitability and cash flow issues