Calculate net patient service revenue (dollars in thousands), using the information below. The table below is a list of accounts at December 31, 2012, for healthy clinic (Dollars are in thousands)
Gross patient service revenues $500 Unrestricted Contributions $20
Other revenues $125 Operating Gains $5
Premium Revenues $100 Charity Care $20
Contractual Discounts $50 Allowance for Doubtful Accounts $25
A. $655
B. $555
C. $430
D. $405
E. none of the above