The accounting profit is the difference between total revenue and total cost excluding the economic cost (opportunity cost) of owner-supplied resources such as time and capital. At the other hand, In the economic cost, we include the opportunity cost in our calculations. · When total revenue exceeds both explicit and implicit costs, the firm earns economic profit. · Economic profit is smaller than accounting profit Another answer culed be: Economic Profit is slightly different than accounting profit, which merely the firm's total revenues minus its total costs. Economic profit is defined as total revenues minus total operating costs minus opportunity cost. Opportunity cost is defined as the cost of the profits you forgo by not doing another activity. For example the opportunity costs of opening a lemonade stand is equal to the difference between the accounting profits of the lemonade stand minus the accounting profits of a more profitable hot dog stand. i hope this helps