Tomas receives monthly wages of $1,500 and government transfers of $200 per month, and pays income and sales tax of $170. tomas's disposable income is a month.

$ 1530.

Justification:

Disposable income is the amount of money available for spending and saving after taxes have been paid.

So, disposable income = monthly wages + goverment transfers - income and sales taxes

=> disposable income = $1500 + $200 - $ 170 = $1530

Answer D is false. Vietnam and Thailand have very high population densities in their cities. Singapore is also extremely high density.