ABC company sells printers. The level of Degree of Operating Leverage (DOL) of ABC company at its current level of sales of its printers is 1.87. ABC thinks it will be able to alter the unit sales of its printers by 6.80 percent. If this change occurs then, ignoring effect of taxes, ABC company's Operating Cash Flow (OCF) will change by %. (Do NOT include the \% sign or any other text. Enter your answer as a percent and round your final answer to 2 decimal places, e.g. 12.34)