The year is 2018. Funland's GDP is $550 billion. Funland has a current account deficit of $45 billion. Funland's capital account is in a $9 billion surplus. In addition, Funland factors located in foreign countries earn $12 billion. Funland has a trade deficit of $33 billion. Assume Funland neither gives nor receives unilateral transfers, and assume that there are no capital gains on external wealth.

1. What was the change in Funland's external wealth (W) during 2018?
2. Compute Funland's net factor income from abroad (NFIA).
3. How much income did foreign factors of production earn in Funland (IM_FS)?
4. Compute Funland's gross national expenditure (GNE), gross national income (GNI), and gross national disposable income (GNDI).
5. If Funland's external wealth was -$100 billion at the end of 2017, what was it at the end of 2018?