A physical count of inventory on April $30$ reveals that there are $650$ units on hand. Use the Average Cost method to calculate April's cost of Cost of Goods Sold. $($Round your average cost per unit to two decimal places $.$ Include two decimals in your answer even if your answer is a whole number. For example, if your answer is $1,500,$ enter $1,500\mathrm{.}00.$ Do NOT include a $ sign.$)$