A firm collects 100% of its monthly sales immediately. Its production costs are 60% of sales. It holds two months worth of sales in inventory, and it pays 80% of its bills immediately and the balance after 30 days. What is its break-even sales growth rate? The answer is 58.82%. I need to know how to get that answer. Please do not reply with another answer. If this can be done on a financial calculator please include inputs