The following balloon notes payable are owed by Petry Company, as of December 31, 2017 Lender Nissim Klein Bildersee Issuance Date 10/31/17 11/30/17 11/30/17 Principal $20,000 15,000 17,000 Coupon Rate (%) 11% 8 Term 9 Months 8 Months 5 Months 10 What is Petry Company's accrued interest for all notes payable owed as of March 31, 2018? (Tip: Use a 12 months per year convention)