N/R journal entries affecting the T-accounts for the allowance for doubtful accounts.  Thank you for your help.    Can you help me I don't understand

Karan

Wildhorse Corporation sells rock-climbing products and also operates an indoor climbing facility for climbing enthusiasts. During the last part of 2025. Wildhorse had the following transactions related to notes payable Sept. 1 Sept. 30 Oct. 1 Oct. 31 Nov. 1 Nov. 30 Dec. 1 Dec. 31 Issued a $13,200 note to Pippen to purchase inventory. The 3-month note payable bears interest of 9% and is due December 1. (Wildhorse uses a perpetual inventory system) Recorded accrued interest for the Pippen note. Issued a $22,800, 9%, 4-month note to Prime Bank to finance the purchase of a new climbing wall for advanced climbers. The note is due February 1. Recorded accrued interest for the Pippen note and the Prime Bank note. Issued a $24,000 note and paid $7,600 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. Recorded accrued interest for the Pippen note, the Prime Bank note, and…

Sweet Company provides the following information about its defined benefit pension plan for the year 2020. Service cost $91,000 Contribution to the plan 106,400 Prior service cost amortization 10,800 Actual and expected return on plan assets 65,200 Benefits paid 40,500 Plan assets at January 1, 2020 633,900 Projected benefit obligation at January 1, 2020 701,600 Accumulated OCI (PSC) at January 1, 2020 149,900 Interest/discount (settlement) rate 9 %