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.
Gross margin is frequently expressed as a percentage, called the gross margin percentage. The calculation is: (Net sales-Cost of goods sold) / Net sales. For example, a company has sales of $1,000,000 and cost of goods sold of $750,000, which results in a gross margin of $250,000 and a gross margin percentage of 25%.