Weller Industrial Gas Corporation supplies acetylene and other compressed gases to industry. Data regarding the store's operations follow: Sales are budgeted at $340,000 for November, $360,000 for December, and $350,000 for January. Collections are expected to be 75% in the month of sale and 25% in the month following the sale. The cost of goods sold is 80% of sales. The company desires an ending merchandise inventory equal to 75% of the cost of goods sold