On October $10,$ Silverman purchased $1,000$ units of a product at $$1$ each with terms $2/10,$ n$/30.$ What is the journal entry Silverman will make under perpetual method? aDebit: Inventory $$1,000$ Credit: Accounts Payable $$1,000$ bDebit: Cash $$1,000$ Credit: Sales cDebit: Inventory $$1,000$ Credit: Cash $$1,000$ dDebit: Cost of goods sold $$1,000$ Credit: Cash $$1,000$