Is it permissible to earn ‘service credits’ in a current non-interest bearing checking account? For example service fees for a given month totals $500 and this charge is offset by a ‘earnings credit’ allowance based on the average daily balance. At the end of the month, I have the same money without interest or service fees. Second related question, since the banking institution earns money on my non-interest checking account funds by loaning portions of (fractional reserve banking) it out to...