Abakery bakes 6 batches of cookies every morning . each batch contains the same amount of cookies. a total of 144 cookies are baked every morning. the first 4 batches of cookies are chocolate chips cookies and the last 2 are macadamia. 5/6 of the first 4 batches are sold by the end of the day. 1/2 of the last two batches are sold by the end of the day. how many chocolate chips cookies remain at the end of the day?