An $\{$Some of the accounting procedure,s$\}$ analysts must consider when valuing firms, before making any conclusions about

performance from ratio analysis, would include:

Inventory methods $\{$i$.$e$.,$ one firm may use FIFO $\{$first$-$in$,$ first$-$out$\},$ while another uses LIFO $\{$last$-$in$,$ first$-$out$\}$ for costing

inventory$).$

Depreciation methods $\{$i$.$e$.,$ one firm may use straight$-$line depreciation while another may use an accelerated depreciation

method $\{$e$.$g$.,$ MACRS$\}$ for long$-$term assets$).$

Receivables percentages $$i$.$e$.,$ one firm may use significantly different allowance percentages than another firm when

accounting for bad debts$).$

All of the above.