1) on 12/31/22, why (30000x0.06) is timed by (2/12) instead of (2/6)?

2) on 5/1/23, how did the 600 is calculated?

BE7.7 (LO 4) Milner Family Importers sold goods to Tung Decorators for $30,000 on November 1, 2022, accepting Tung's $30,000, 6- month, 6% note. Prepare Milner's November 1 entry, December 31 annual adjusting entry, and May 1, 2023, entry for the collection of the note and interest. BRIEF EXERCISE 7.7 11/1/22 Notes Receivable Sales Revenue 30,000 30,000 12/31/22 300 Interest Receivable Interest Revenue ($30,000 X.06 X 2/12) 300 5/1/23 Cash 30,900 300 Interest Receivable Interest Revenue Notes Receivable 600 30,000