450-900 is the answer I think
Horace Mann invented school and what is today the United States' modern school system. Horace was born in 1796 in Massachusetts and became the Secretary of Education in Massachusettes where he championed an organized and set curriculum of core knowledge for each student.
Answer: Prices
Explanation:
There are several ways to raise revenue from sales and one of them is to increase prices. With a higher price, more money will be paid per goods and if the cost is still the same, the increase in price becomes extra profit.
Increased prices however reduce the amount of money that consumers have after purchases so they do not like it when prices are increased. It reduces the amount of goods they can buy especially if their wages do not go up as well because they will have to spend more per good.
