Tea and Cup are into a partnership business. Interests on drawings made by partners are at 10% per annum. Tea’s capital is ₦70000 and current balance is ₦50000. He withdrew the following amounts during the year : 3000 on 31st January , 2000 on 31st March, 4000 on 1st July, 1500 on the 30th September, 2500 on 1st November. Cup’s capital is ₦100000 and current balance is ₦40000. He made no drawings during the period. what is the closing balance in Tea’s current account