You need to buy a new cell phone now and are trying to minimize your cell phone costs for the next 5 years. A new cell phone costs C dollars and lasts for at most 3 years. The estimated maintenance cost for a phone depends on its age; if a phone is in its ith year of life, the cost will be M_i dollars, i = 1, 2, 3. Assuming cell phones have no salvage value and that you have the option each year of buying a new phone (for C dollars), formulate a network model that will minimize your costs over the next 5 years.

TRUE

Successful pricing considers consumers' perceived value, because to ignore this might result in a price that is too high or too low. Marketers should view pricing decisions as a strategic opportunity to create value rather than as an afterthought to the rest of the marketing mix

Step-by-step explanation:

here try this

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step-by-step explanation:

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,