37. (Requires a spreadsheet) Ads for purchasing cars often cite the monthly payment per $1000 borrowed. For example, a recent ad quoted $17.48 per $1000 borrowed for a 60-month loan.
37.
(a) 1.89% (The rate is actually 1.9%, with the $17.48 being rounded down from $17.484.)
(b) 1.91%