单项选择题

X Co uses a throughput accounting system. Details of product A, per unit, are as follows: Selling price $320 Material costs $80 Conversion costs $60 Time on bottleneck resource 6 minutes What is the return per hour for product A

A．$40
B．$2,400
C．$30
D．$1,800
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单项选择题
A．$40B．$2,400C．$30D．$1,800
A．$40
B．$2,400
C．$30
D．$1,800
单项选择题
C Co uses material B, which has a current market price of $0·80 per kg. In a linear program, where the objective is to maximise profit, the shadow price of material B is $2 per kg. The following statements have been made:(i)Contribution will be increased by $2 for each additional kg of material B purchased at the current market price(ii)The maximum price which should be paid for an additional kg of material B is $2(iii)Contribution will be increased by $1·20 for each additional kg of material B purchased at the current market price(iv)The maximum price which should be paid for an additional kg of material B is $2·80Which of the above statements is are correct
A．(ii) only
B．(ii) and (iii)
C．(i) only
D．(i) and (iv)
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