Which one(s) of these are economic transactions? (Select all that apply) You have recruited an employee for 2000 CAD salary per month starting from the next month. You have signed a 1 Million CAD business contract with Tim Hortons starting from July 15, 2022 You have provided dental services to your customers but the customer won't pay you before 20th July, 2022. You have incurred salaries expense of 3000 CAD