a) imagine that you and i have an effectively unlimited supply of drabs and jots, which are worth 14 and 10 shims, respectively. by exchanging these coins between us, what is the smallest (positive) number of shims you can pay me? can you pay me 7 shims? can you pay me 8 shims? b) answer part a in the case that drabs are worth 36 shims and jots are worth 42 shims.