Management and cost Accounting

Consider the following incomplete statements:

1) Assesses the profitability of products and services
2) Provides a financial information system for management
3) Follows all accounting standards and company LAW

Which statement describing aspects of cost and management accounting
1) 1 only
2) 2 and 3 only
3) 1 and 2 only
4) 1, 2, and 3

PLEASE SIR TELL ME THE CORRECT AND APPROPRIATE ANSWER FOR IT.