36. Gribble Company's high and low level of activity last year was 60,000 units of product produced in May and 20,000 units produced in November. Machine maintenance costs were $104,000 in May and $40,000 in November. Using the high-low method, determine an estimate of total maintenance cost for a month in which production is expected to be 45,000 units. A) $80,000 B) $78,000 C) $90,000 D) $96,000 57. If the activity level increases 10%, total variable costs will A) decrease by less than 10%. B) increase 10%. C) increase by more than 10%. D) remain the same. 58. A total materials variance is analyzed in terms of A) buy and sell variances. B) quantity and quality variances C) tight and loose variances. D) price and quantity variances. 59. Peninsula Company reported net income of $260,000 for the year. During the year. accounts receivable increased by $21,000, accounts payable decreased by $9.000 and depreciation expense of $45,000 was recorded. Net cash provided by operating activities for the year is A) $227,000. B) $275,000 C) $260,000. D) $245,000 60. For Wickham Co., sales is $2,000,000, fixed expenses are $600,000, and the contribution margin ratio is 36%. What is required sales in dollars to earn a target net income of $400,000? A) $5,555,556 B) $2,777,778 C) $1,111,111 D) $1,666,666