The Robinson Company has the following current assts and curent liabilities for these years: 2010 2011 Cash and Marketabale 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 Urrent 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 wer 70 percent of sales, how long were Robinson's operating cycles and cash conversion cycles in each of these years? What casued them to chage during this time?