1. Click Pix (CP), a large discount camera shop in New York city has recently begun carrying Sonic model PS58 camcorders

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1. Click Pix (CP), a large discount camera shop in New York city
has recently begun carrying Sonic model PS58 camcorders, which
costs CP $400 each. Sales average 1200 units a year. The cost of
placing an order with Sonic is $50. Holding rate is estimated at
60% a year. Sonic is a supplier that offer CP an all unit discount.
No discount for an order of 124 or less camcorders. A discount of
$25 per unit for an order between 125 and 599 units. For an order
of 600 or more a discount of $60 a unit.
1.1 How many camcorders should Click Pix order from Sonic to
minimize total cost under the discount schedule? You need to show
the actual calculation of the Annual ordering cost, holding cost
and purchasing cost.
1.2 Show the calculation of the annual TC (in the Answers sheet)
for the optimal order found in question
1.3 If Click Pix can only store 100 camcorders because of
limited space, how many camcorders should be ordered (value below
were rounded UP when necessary).