A tailor stitches 4 shirts everyday. It takes him 2 hours to stitch a shirt. Each shirt uses 6 buttons and has two pockets. Each shirt costs the tailor $ 3 and he charges the customer $ 6. 1. How many pockets does the tailor stitch in 42 days?   2. How many buttons does the tailor use in 10 days?   3. How many dollars does the tailor collect from his customers in 12 days?   4. How many dollars does the tailor earn as profit in 14 days?   5. How many hours does the tailor work in 19 days?