Create post closing trial balance sheet. Dec 31,2014 cash $20500. Vehicles $48,000 depreciation $12,000. Equipment $3,600 depreciation $600. Common stock $38,000. Retained earnings $21,500. Someone help me understand this!

a. On January 1, 2015, a payment in cash for $12,000 is made for prepaying rent for the entire year 2015. b. On January 4, 2015, accounting services are performed and payment is received in cash for the amount of $1,900. c. On January 9, 2015, a payment in cash for advertising is made in the amount of $850. d. On January 10, 2015, office supplies are purchased in the amount of $75 with cash. e. On January 14, 2015, accounting services are performed and payment is received in cash for the amount of $2,725. f. On January 20, 2015, the telephone bill for the amount of $660 is received and paid with cash. g. On January 20, 2015, the utilities bill for $2,925 is received. The bill won't be paid until it is due on February 15, 2015. h. On January 27, 2015, accounting services are performed on account in the amount of $3,750 i. On January 28, 2015, a payment in cash for $1.500 is made for a bill from an advertising agency