I understand you're looking for the — specifically a "proper paper" version (likely meaning a complete, original PDF or printed copy, not a scanned or low-quality file).
If the online snippets are insufficient, the physical third edition (545 pages) is cataloged in several academic libraries, such as the CITU Library or the Philippine eLib . Engineering Economy by Arreola | PDF - Scribd engineering economy by matias arreola solution manual
Used for loans, amortizations, or savings plans with regular payments. I understand you're looking for the — specifically
Solution: Using the formula for effective interest rate: original PDF or printed copy