Inventory is a deceptively easy module. Most of it is pretty straight forward in both Gleim and Wiley.
The hardest sections in Inventory for me have been: Gross Profit Method, Dollar Value LIFO (DV-LIFO) and DV-LIFO Retail Method.
Gross Profit Method:
Gross Profit Method is very straight forward, but the terminology is confusing as hell. In the interest of saving myself time on the exam, I tried to make a shortcut for myself by saying anytime given a percent or number (n), then the variable (x) that follows the words “on” or “of” is equal to margin on (x). Definitely didn’t work, I kept getting them wrong.
For Gross Margin method, my plan is to go slow and not rush any calculation because I found that I make stupid mistakes when trying to make calculations before reading the problem. I’m better off spending 45 to 60 seconds reading the question. Once I understand the question, then the calculation is much easier and faster (usually less than 10 seconds, only a matter of punching in numbers), which is worth the 70 seconds because I can get these right 100% of the time when I understand the question.
Retail Method of DV-LIFO
Retail Method is a bit difficult, because it ties in so many concepts of Inventory. I am 100% accurate for all the retail method questions I have practiced. It takes me about 90 seconds with for retail method questions on FIFO, LCM, and Average cost, which is fine.
My problem is with DV-LIFO Retail and my persistence to answer a question I know that I am capable of answering if given time enough time. I can answer the questions accurately, but it could take me anywhere from 2-to-6 minutes before I finally come up with an answer that I’m 100% positive is correct. There are so many calculations with DV-LIFO retail that I am prone to forgetting whatever it was that I was trying to calculate. The worst part is that since I know I can do the problem, my stubbornness takes over and I won’t stop until I answer the problem by double checking my calculation. Sometimes, I’d answer the problem correctly, but when double checking my calculation, I’d actually calculate incorrectly the second time, which would cause me to do another calculation!!! Ridiculous, yeah, I know… I can’t believe I’m even writing about it.
If I see a DV-LIFO retail question, I’m going to skip it and guess. I will not even try to calculate it because then I might be tempted to double check or keep trying calculations till I get it right. DV-LIFO retail is not worth the time or temptation.
Plus, according to CPA Excel, it is a lightly tested topic on the exam.
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