please help!! How do you calculate the interest on this ?

More Info 2018 Received a $8,000, 90-day, 12 % note in settlement of an overdue accounts receivable from Free World Music 31 Dec. 6 Made an adjusting entry to accrue interest on the Free World Music note. 31 Made a closing entry for interest revenue. 2019 Mar. 6 Jun. 30 Collected the maturity value of the Free World Music note. Loaned $11,000 cash to Johnathon's Publishing, receiving a six-month, 18 % note. Received a $3,000, 60-day, 18% note for a sale to Skip's Music. Ignore Cost of Goods Sold Skip's Music dishonored its note at maturity. 1 Oct. 2 Dec. 1 Wrote off the receivable associated with Skip's Music. (Use the allowance method.) 30 Collected the maturity value of the Johnathon's Publishing note Print Done Journalize all transactions for Rural Beginnings. Round all amounts to the nearest dollar. (For notes stated in days, use a 365-day year Dec. 6: Received a $8,000, 90-day, 12% note in settlement of an overdue accounts receivable from Free World Music Date Accounts Debit Credit More Info 2018 Note Receivable-Free World Music Dec. 6 8,000 Accounts Receivable-Free World Music 8,000 2018 Received a $8,000, 90-d receivable from Free Wo 31 Dec. 6 Made an adjusting entry Made a closing entry for Dec. 31: Made an adjusting entry to accrue interest on the Free World Music note. 31 2019 Mar. 6 Jun. 30 Date Collected the maturity val Loaned $11,000 cash to J Received a $3,000, 60-day Goods Sold Skip's Music dishonored its Wrote off the receivable as method) 30 Accounts Debit Credit 2018 Oct. 2 Interest Receivable 66 Dec. 31 Dec. 1 Interest Revenue 1 Collected the maturity value Dec. 31: Made a closing entry for interest revenue Date Accounts Debit Credit 2018 Dec. 31