1. Chartered Institute of Procurement & Supply. (2019). Commercial Contracting (L4M3) Study Guide. Stamford
UK: Profex Publishing. In Chapter 5
'Financial Analysis in Commercial Contracting
' the guide distinguishes between mark-up and margin
stating
"Mark-up is profit as a percentage of cost price... Margin is profit as a percentage of the selling price." (p. 124).
2. Drury
C. (2018). Management and Cost Accounting. 10th ed. Cengage Learning. Chapter 11
'Pricing decisions and profitability analysis
' explains that "A mark-up on cost is the profit margin expressed as a percentage of cost" (p. 368). This text is a standard reference in university-level accounting courses.
3. Weygandt
J. J.
Kimmel
P. D.
& Kieso
D. E. (2021). Financial & Managerial Accounting. 4th ed. Wiley. In the chapter on cost-volume-profit analysis
the text clarifies the calculation: "Markup = (Sales Price - Cost) / Cost
" directly showing it as a ratio of profit to cost (Chapter 5
Section 5.3).