Although humans made stone tools for 200,000 years the most sophisticated form and last complete stone tool kit is the <u>crude stone tools </u>represented by: the awl, atlatl and bow & arrow.
<h3 /><h3>What were crude stone tool?</h3>
Any tool that is partially or totally fashioned out of stone is considered a stone tool in the broadest definition. Even if there are still societies and cultures that rely on stone tools, most of them are related to extinct prehistoric (especially Stone Age) cultures.
Archaeologists frequently research these prehistoric societies, and the examination of stone tools is known as lithic analysis. To deepen our understanding of the cultural ramifications of stone tool use and production, ethnoarchaeology has been a useful research field.
Arrowheads, spearheads, hand axes, and querns are just a few examples of the numerous tools made from stone throughout history. Stone can be ground into tools or it can be shaped by a flintknapper into knapped implements.
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A company may focus on lost contribution margin or prepare comparative income statement when making a product line decision
<h3>What is income statement?</h3>
An income statement can be regarded as financial statement which helps to display company's income and expenditures.
It is a financial statement that shows you the company's income and expenditures. It also shows whether a company is making profit or loss.
Hence, when making a product line decision, a company may focus on lost contribution margin and avoidable fixed costs or prepare comparative income statement.
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Hand and eye coordination
