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# Question watch

1. (Original post by SG22)
If Pij = the production of product i in period j, then to indicate that the limit on production of the company's three products in period 2 is 400,

a. P21 + P22 + P23 < 400
b. P12 + P22 + P32 < 400
c. P32 < 400
d. P23 < 400
Well I'm a bit unfamiliar with this stuff, but if "the limit on production of the company's three products in period 2 is 400," then that looks like the sum of all the Pij values for i ( the product no) from 1 to 3 and j=2 (the period 2). i.e.

P12 + P22 + P32 < 400

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