Economists Define the Disposable Annual Income for an Individual by the Equation

Multiple Choice

Economists define the disposable annual income for an individual by the equation D = (1 - r) T, where T is the individual's total income and r is the net rate at which he or she is taxed. What is the disposable income for an individual whose income is $90,000 and whose net tax rate is 35%?

A) $31,500
B) $58,500
C) $148,500
D) $90,000
E) $207,000