What am I missing in the T-accounts of E3-12 Part 3? This is all I have, it says I am missing something, and I, for the life of me, cannot find what it could be.

E3-12 and E3-13 Recording and Posting Accrual Basis Journal Entries and Preparing an Unadjusted Trial Balance CLO 3-2, LO 3-3 and LO 3-4] /The following information apples to the questions displayed below.] Ricky's Plano Rebullding Company has been operating for one year. On January 1, at the start off Its second year, its Income statement accounts had zero balances and Its balance sheet account balances were as follows Cash 7800 Accounts Payable 10,900 Accounts Recelvable 38.750 Unearned Revenue (deposits) 5.800 Supplies 1,450 Notes Payable 57,750 Equipment 9100 Common Stock 15.500 Land 9,550 Retained Earnings 5,300 28,600 Building Following are the January 2013 transactions a. Received a $755 deposit from a customer who wanted her plano rebuilt n February b. Rented a part of the bullding to a bicycle repair shop: $340 rent recerved for January. C. Delivered five rebuilt planos to customers who pald $20,900 In cash. d. Delivered two rebuilt planos to customers for $10.400 charged on account. e. Recelved $8.400 from customers as payment on thelr accounts. f Received an electric and gas utility bill for $835 for January services to be paid In February. g. Ordered $1.050 In supplies. h. Pald $2,000 on account In January l. Pald $15.100 in wages to employees In January for work done this month. J. Received and pald cash for the supplies In g