GrandSlam Incorporated incurred the following costs during March:

Selling expenses	$ 157,800
Direct labor	294,000
Interest expense	40,800
Manufacturing overhead, actual	133,020
Raw materials used	491,000
Administrative expenses	118,300

During the month, 19,700 units of product were manufactured and 10,300 units of product were sold. On March 1, GrandSlam carried no inventories. On March 31, there were no inventories for raw materials or work in process.

Required:

1. Calculate the cost of goods manufactured during March and the average cost per unit of product manufactured.
2. Calculate the cost of goods sold during March.
3. Calculate the difference between cost of goods manufactured and cost of goods sold. How will this amount be reported in the financial statements?
4. How dio I calculate traditional (absorption) income statement for GrandSlam for the month of March. Assume that sales for the month was $1,040,000 and the company's effective income tax rate was 30%.

When I sumitted the answer, my calculationg were wrong, I cant figure out what I did wrong