The Robinson Company has the following current assets and current liabilities for these two years. ________________________________________________________2010______________2011___ Cash and marketable securities $50,000 $50,000 Accounts receivable 300,000 350,000 Inventories 350,000 500,000 Total current assets $700,000 $900,000 Accounts payable $200,000 $250,000 Bank loan 0 150,000 Accruals 150,000 200,000 Total current liabilities $350,000 $600,000 If sales in 2010 were $1.2 million, sales in 2011 were $1.3 million, and cost of goods sold was at 70 percent of sales, how long were Robinson