The correct answer is
<span>The wealthy often profit from the hard work of the lower class.
The idea is that the lower class works hard while the rich ones reap what the lower class earns. The rich get richer while the poor get poorer. This is a very Marxist way of thinking because Marx himself claimed this and claimed that the classes should be abolished.</span>
At that time the resources and especially money is scarce since the economy is just starting to recover again after the war. The businessmen needs cash or capital to simply buy and sell goods or to start a business.
i hope my answer helped you.