Chong Ltd makes all of its purchases on credit; 50% are paid in the month of purchase; 30% during the month following the purchase and 20% in the second month following the purchase. Given the following data, determine the cash paid to creditors during month 4. (Show working).

Month 2 3 4

Credit purchase $70 000 $50 000 $80 000

(a) $69 000

(b) $80 000

(c) $55 000

(d) $50 000

(e) None of the above