laboratory 2
https://en.wikipedia.org/wiki/Bank
https://www.oxfordhandbooks.com/view/10.1093/oxfordhb/9780199640935.001.0001/oxfordhb-9780199640935-e-001
https://psu.instructure.com/courses/1806581/pages/introduction-what-is-banking-and-why-is-it-important?module_item_id=26004136
https://www.investopedia.com/terms/b/bank.asp
https://www.investopedia.com/terms/l/loan.asp
https://en.wikipedia.org/wiki/Loan
https://www.investopedia.com/terms/t/transfer.asp
https://en.wikipedia.org/wiki/Wire_transfer
https://www.moneyhelper.org.uk/en/everyday-money/banking/making-phone-or-online-transfers
https://www.investopedia.com/terms/i/investment.asp
https://en.wikipedia.org/wiki/Investment