If the thorndike quotation of $10 were adjusted for the cost effect of changes in performance characteristics in performance characteristics and the increase in general cost levels since the original quotation, the price would be $11.25, or approximately the same as that proposed by the laundry equipment division. the price of $11.66 developed by the gear and transmission division was in error because it failed to allow for a design elimination that would reduce the cost of the thorndike unit by 50 cents.