Choice "B" is correct. Accounting and reporting for proprietary funds is similar to accounting and reporting for a business enterprise. Thus, the full accrual basis is used and the measurement focus is on net income and capital maintenance.Choice "d" is incorrect. Project is not an orientation for proprietary funds.Choice "a" is incorrect. Flow of funds is not an orientation for proprietary funds. Governmental funds focus on the flow of funds.Choice "c" is incorrect. Program is not an orientation for proprietary funds.