Laura was given Boeing's workpapers that included standard items such as a balance sheet, profit/loss statement, and trial balance. Listed below are some transactions that may result in book-tax differences. Determine if each transaction results in a book-tax difference and its favorability.

1. Interest income of $300,000 from Guam general purpose bonds
2. Meals with potential clients for $75,000
3. Unrealized gain on investments of $450,000
4. Interest expense of $120,000 from investing on margin to invest into Chicago general purpose bonds
5. Boeing paid its employees a $150,000 bonus because it exceeded its projected return on investment stated in the engagement letter with its clients .