XACC 290 Week 7 dq 3

In your opinion, why are perpetual inventory systems so much more popular today than back prior to the mid-1960s? Why would a company employing a perpetual inventory system still take a physical inventory periodically? 

Financial_Accounting_6e_Ch05.pdf

Financial_Accounting_6e_Ch06.pdf

Financial_Accounting_6e_Ch07.pdf