单项选择题

The discrete-time system

has a unique fixed point at [填空1]. It is a repeller or expland fixed point [填空2]__________________________.
Consider
Whether O is or not a expanding fixed point_[填空3]_______________________.

A．A
B．B
C．C
D．D

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Jola Publishing Co publishes two forms of book. The company publishes a children’s book (CB), which is sold in large quantities to government controlled schools. The book is produced in four large production runs. The second book is a comprehensive technical journal (TJ). It is produced in monthly production runs, 12 times a year.The directors are concerned about the performance of the two books and are wondering what the impact would be of a switch to an activity based costing (ABC) approach to accounting for overheads. They currently use absorption costing, based on number of books produced for all overhead calculations. Overheads amount to Activity driverProduction costs2,160,000 Machine hoursQuality control 668,000Number of inspectionsProduction set up costs52,000 Number of set ups2,880,000What is the total activity based allocation of production overheads for production of the CB？A、1,200,000 C、1,800,000

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