Which of the following statements correctly describe properties of an economic model? Check all that apply. A) An economic model requires a complex set of assumptions.
B) An economic theory can be expressed in the form “If X, then Y, all other things held constant.”
C) An economic model requires simplified assumptions.
D) The purpose of an economic model is to depict the real world as accurately as possible.

Compute nopat using tax rates from tax footnote the income statement for the tjx companies, inc., follows. the tjx companies, inc. consolidated statements of income fiscal year ended ($ thousands) january 29, 2011 net sales $21,942,193 cost of sales, including buying and occupancy costs 16,040,461 selling, general and administrative expenses 3,710,053 provision (credit) for computer intrusion related costs (11,550) interest expense (revenue), net 39,137 income from continuing operations before provision for income taxes 2,164,092 provision for income taxes 824,562 income from continuing operations 1,339,530 gain from discontinued operations, net of income taxes 3,611 net income $ 1,343,141 u.s. federal statutory income tax rate 35.0% effective state income tax rate 4.1% impact of foreign operation -0.5% all other -0.5% worldwide effective income tax rate 38.1% compute tjx's nopat for 2011 using its income tax footnote disclosure. (the federal and state tax rate for 2011 as reported by tjx's tax footnote is: 39.1%). round to the nearest whole number.