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【简答题】
线性规划的目标函数的系数是其对偶问题的（）；而若线性规划为最大化问题，则对偶问题为（）。
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举一反三
【单选题】If total fixed costs are $350,000, contribution margin per unit is $7.50, the tax rate is 30%, and the number of units to be sold is 100,000, then the after‐tax net income will be:
A.
a. $280,000
B.
b. $350,000
C.
c. $400,000
D.
d. $877,500
【单选题】Cindy operates Birds-R-Us, a small store manufacturing and selling 100 bird feeders per month. Cindy's monthly total fixed costs are $500, and her monthly total variable costs are $2,500. If for some ...
A.
average fixed costs would increase.
B.
average total costs would decrease.
C.
marginal costs would decrease.
D.
average variable costs would decrease.
【单选题】Squeeze Me Company produces Beanie Babies. Each doll sells for $20.00. Variable costs per unit total $14.00, of which $6.25 is for direct materials and $5.25 is for direct labor. If total fixed costs ...
A.
a. 21,750 dolls
B.
b. 31,071 dolls
C.
c. 51,176 dolls
D.
d. 72,500 dolls
【单选题】Like-U Company produces dolls. Each doll sells for $20.00. Variable costs per unit total $14.00, of which $6.25 is for direct materials and $5.25 is for direct labor. If total fixed costs are $435,00...
A.
a. $1,450,000
B.
b. $1,023,529
C.
c. $621,429
D.
d. $435,000
【单选题】The following information is for Joshua Corporation: Total fixed costs $333,500 Variable costs per unit $99 Selling price per unit $154 If total fixed costs increased to $394,850, then break-even v...
A.
a. 10.0%
B.
b. 12.3%
C.
c. 18.4%
D.
d. 34.3%
【单选题】If total fixed costs are $84,000, contribution margin per unit is $6.00, and targeted after‐tax net income is $18,000 with a 40% tax rate, then the number of units which must be sold is:
A.
a. 14,000 units
B.
b. 17,000 units
C.
c. 19,000 units
D.
d. 21,500 units
【单选题】某企业预购进一套新设备,要支付400万元,该设备的使用寿命为4年,无残值,采用直线法计提折旧。预计每年可产生税前利润140万元,如果所得税税率为25%,则回收期为()年
A.
4.55
B.
2.95
C.
1.95
D.
3.25
【简答题】char *s = "\ta\017bc"; cout<
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