Carbon dioxide in the blood can lead to low levels of oxygen in the blood which is referred to as hypoxemia also with the high levels of carbon dioxideâ or hypercapnia. Patients with diseases such as COPD have problems with the movement of air into and out of the lungs.
Gross Margin Ratio. Gross margin ratio is the ratio of gross profit of a business to its revenue. It is a profitability ratio measuring what proportion of revenue is converted into gross profit (i.e. revenue less cost of goods sold). Gross margin is calculated as follows: Gross profit and revenue figures are obtained from the income statement of a business.
Again, gross margin is just the direct percentage of profit in the sale price. In accounting, the gross margin refers to sales minus cost of goods sold. It is not necessarily profit as other expenses such as sales, administrative, and financial must be deducted.ross Margin (%) = (Revenue â Cost of goods sold) / Revenue. It can be expressed in absolute terms: Gross margin = net sales â cost of goods sold + annual sales return. or as the ratio of gross profit to revenue, usually in the form of a percentage: