The Operations Manager of a Mail Order House Purchases Double

question 31

Multiple Choice

The operations manager of a mail order house purchases double (D) and twin (T) beds for resale. Each double bed costs $500 and requires 100 cubic feet of storage space. Each twin bed costs $300 and requires 90 cubic feet of storage space. The manager has $75,000 to invest in beds this week, and her warehouse has 18,000 cubic feet available for storage. Profit for each double bed is $300 and for each twin bed is $150. The manager's goal is to maximize profits.
What is the storage space constraint?

• A) 90D + 100T ≤ 18,000
• B) 100D + 90T ≥ 18,000
• C) 300D + 90T ≤ 18,000
• D) 500D + 100T ≤ 18,000
• E) 100D + 90T ≤ 18,000

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Definitions:

Oceanic Trench

A deep, narrow depression in the ocean floor, often formed by the subduction of one tectonic plate beneath another.

Ocean-continent Convergent

A tectonic boundary where an oceanic plate collides with a continental plate, often forming mountain ranges.

Continental Rift

A low trough or series of troughs bounded by normal faults, especially where two parts of a continent begin to rift apart.

Ocean-ocean Convergent

A tectonic boundary where two oceanic plates converge, leading to the subduction of one plate beneath the other and often resulting in volcanic island arcs.