Connor Corporation sells rock-climbing products and also operates an indoor climbing facility for climbing enthusiasts. During the last part of 2012, Connor had the following transactions related to notes payable.
Sept. 1 Issued a $12,000 note to Patrick to purchase inventory. The 3-month note payable bears interest of 6% and is due December 1. (Connor uses a perpetual inventory system.)
Sept. 30 Recorded accrued interest for the Patrick note.
Oct. 1 Issued a $16,500, 8%, 4-month note to Canton Bank to finance the purchase of a new climbing wall for advanced climbers. The note is due
February 1.
Oct. 31 Recorded accrued interest for the Patrick note and the Canton Bank note.
Nov. 1 Issued a $26,000 note and paid $8,000 cash to purchase a vehicle to transport clients to nearby climbing sites as part of a new series of climbing classes. This note bears interest of 6% and matures in 12 months.
Nov. 30 Recorded accrued interest for the Patrick note, the Canton Bank note, and the vehicle note.
Dec. 1 Paid principal and interest on the Patrick note.
Dec. 31 Recorded accrued interest for the Canton Bank note and the vehicle note.

Instructions
(a) Prepare journal entries for the transactions noted above.
(b) Post the above entries to the Notes Payable, Interest Payable, and Interest Expense accounts. (Use T accounts.)
(c) Show the balance sheet presentation of notes payable and interest payable at December 31.
(d) How much interest expense relating to notes payable did Connor incur during the year?