counting and shifting

my parents own a dry cleaners and a laundromat, just like a good old first generation korean business immigrant family. when i realized that there were koreans who immigrated to north america as non-business immigrant, it totally blew my mind. i was fifteen. there were scholars, business transfers, refugees, all kinds. but till then, for three years, all koreans i saw were either transient population (students, mostly) or entrepreneurship immigrants. theyve been at this business for a long time now. from my age 12 to now, 31, for nineteen years. so probably the longest job that both of them have ever held (my dad moved around job to job whenever he felt like it). and by this time, though i hardly ever go in to help, i do have a good idea what would probably need to be done. one of the things is coin counting. i think it is very silly thing to talk of, 'intensive coin counting.' we all had jars of loose c...