In April, Walter's Weiner House sold 9,000 covers: in June they sold 19,000 covers. Total direct operating expenses were exist15, 205 in April and exist19, 105 in June. Using the high-low method, calculate Walter's total variable costs for direct operating expenses, using the low volume of guests. exist9, 090 exist 3, 510 exist23, 040 exist15, 205