A business started the current period with liabilities of $71,000 and Equity of $37,000. During the period the following business transactions took place. 1. Purchased equipment for $43,000; paying $17,000 cash and issuing a note payable for the balance. 2. Received $2,700 of the amount owed by a customer for services provided on account. 3. Paid $5,700 of the amount owed for supplies purchased on account. 4. Provided services of $3,500 on account. 5. Paid $1,900 towards rent for the current period. Determine the assets of the business at the end of the period. a. $146,100 b. $120,100 c. $55,900 d. $129,900