In Calkin's index of marketing efficiency. How the lower value of index increases the efficiency?

Jyoti Chaudhary @Jyoti-Chaudhary-14

31 March 2023 1 3K Report

Marketing efficiency = 1+ (Sum of profit or margin / Sum of marketing cost)

Chuck A Arize

http://ecoursesonline.iasri.res.in/mod/page/view.php?id=16979

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