homework 15

just 400 word i will put link : https://www.asne.org/content.asp?pl=236&sl=346&con…

gggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggg