Working capital cash flow. Cool​ Water, Inc. sells bottled water. The firm keeps in inventory plastic bottles at 11​% of the monthly projected sales. These plastic bottles cost ​$0.007 each. The monthly sales for the first four months of the coming year are as​ follows: ​January: 1 comma 900 comma 000 ​February: 2 comma 300 comma 000 ​March: 2 comma 900 comma 000 ​April: 3 comma 000 comma 000 What is the monthly increase or decrease in cash flow for inventory given that an increase is a use of cash and a decrease is a source of​ cash? ​Note: Enter a decrease as a negative number. What is the change in working capital for​ January?