Final answer:
The correct answer is option d: Debit: Federal Grant Revenue $650,000; Credit: Library Capital Project Fund $650,000.
Step-by-step explanation:
The subject of this question is Business, as it relates to the financial management of a government entity.
The correct answer is option d: Debit: Federal Grant Revenue $650,000; Credit: Library Capital Project Fund $650,000. This is because a federal grant is revenue for the county, which should be recorded as an increase in the Federal Grant Revenue account (debit) and an increase in the Library Capital Project Fund account (credit).
Some SEO keywords for this answer are government budget, federal grant, revenue, financial management, accounting.