sandy decided it was time to sell her 20191aptop and get a new one. However; she had to sell hereurrent laptop so she could to' buy a new Sandy placed an ad on a local online marketplace (similar to Kijii or Craig's List) as follows: November 1, 2021 Used laptop for Sale! Selling my 2019 laptop. Good condition. Small scratches on the keyboard. Price: $200 This offer expires in 14 days. To accept this offer please send $200 via interact e-transfer(online banking). The email address iS sandy@gmail.com. The next day, November 2, Sandy's friend, Caleb saw the advertisement and sent her a Facebook message saying "l saw your ad and I'd like to buy your laptop for $180. Let me know how you want to be paid.' November 4, Michael saw the ad and sent an email to sandy@gmail.com saying he would like to buy the laptop and asked if he could break the $200 into 4 payments over 2 months,