Are the following transactions valid to be considered as Bills of Exchange? Specify why or why not.
i. "We hereby authorize you to pay on our account to the order of Kwame an amount of ¢150,000"
ii. "Pay Abena ¢250,00 on her marriage to Kojo"
iii. "Pay Christian ¢30,000 and debit a/c 101A102000312 with ABC Bank Ltd"
iv. "Pay Mitch ¢920,000 upon the death of his father"
v. "Pay Ama ¢200,000 from the proceeds of the sale of my car"
vi. "Pay Kofi ¢100,000 when Johnnie Walker completes his charity walk from Bawku to Accra