Answer :

Step-by-step explanation:

Hi,

Store A: y = 9p

Store B: y = 9p + 5

Store C: y = p + 5

Store D: y = p + f

Second Part:

Store A: T = 9n

Store B: T = 9n + 5

Store C: T = n + 5

Store D: T = p + f

I hope this helps :)

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