ART

Accounts receivable turnover

Net credit sales/average accounts receivable

IT

Inventory turnover

Cost of goods sold/average inventory

APT

Accounts payable turnover

Total supplier purchases/average accounts payable

TAT

Total assets turnover

Sales or revenues/total assets

FAT

Fixed assets turnover

Net sales/Net property, plan & equipment

OET

Operating expense ratio

Property’s operating expense/gross operating income

ROI

Return on investment

(Gain of investment-cost of investment)/cost of investment

ACP

Average collection period

(number of working days * average amount of accounts receivables)/total amount of net credit sales during period

APP

Average payment period

(number of working days * average amount of accounts payable)/total amount of net credit purchases during period