Answer:
Quantity discounts can be taken advantage of for large lot sizes.
Explanation:
The EOQ model assumptions:
the order of one item does not intervene with the other.
The order will arrive without delay and with a specific amount of goods.
no losses or damage in transit
The EOQ does not consider the discount for large lot size, their formula does not consider the value of the goods:

Its use: Demand of the good
cost of Setup, or ordering cost.
and Holding cost, the cost of keeping the inventory
There is no variable to account for discounts for order size in this method
Electronic Profiling is your answer. I hope I helped:)
Answer: Gus should keep the files A. and D.
Explanation:
I don’t believe that he should keep B. due to D. showing an update to B. so, he shouldn’t keep B. so that he doesn’t get confused by both B. and D. being in the files.
They are in the "collecting information" stage of planning.
Answer:
value of new lagoon will be $4.05 million
Explanation:
We have given cost = $2.3 million
It is given that new lagoon will be 65% larger
So size of lagoon will be 1+0.65 =1.65
Sizing exponent for this project is given 1.13
So x = 1.13
New lagoon is given by 
So new lagoon will be equal to
$ million
So value of new lagoon will be $4.05 million