Number 5

B. $18,000 C. $36,000 D. $54,000 5. At an activity level of 6,900 units in a month, Zelinski Corporation's total variable maintenance and repair cost is $408,756 and its total fixed maintenance and repair cost is $230,253. What would the total maintenance and repair cost, both fixed and variable, at an activity level of 7,100 units in a month? Assume that this level of activity is within the relevant range. A. $648,270 B. $639,009 C. $650,857 D. $657,531 6. Given the cost formula, Y = $7,000 + $1.80X, total cost for an activity level of 4,000 units would be. A. $7,000