विक्रिये पण्यानामर्घवृद्धिरुपजा मानोन्मानविशेषो व्याजी क्रयसंघर्षे वार्धवृद्धिः इत्यायः ॥ कZ_०२.६.२२ ॥
vikriye paṇyānām arghavṛddhir upajā mānonmānaviśeṣo vyājī krayasaṃgharṣe vārdhavṛddhiḥ ity āyaḥ
Revenue (āya) includes: (i) upajā—increment in price when goods are sold; (ii) vyājī—gain arising from differences in standard measures and capacity-measures; and (iii) the increase in value due to competitive bidding in purchase-contests.
Markup realized at sale (upajā), gains from standardized-measure differentials (vyājī), and premiums generated by competitive purchase/bidding processes.
The need to control and standardize measures to prevent hidden losses, fraud, or unaccounted gains in state commerce.