A manufacturing company of lamps, resident in country A, sells them partly to another related, resident in B, and the rest to another unrelated, resident in C. The manufacturing cost is € 250 and has operating expenses of € 75. and the company resident in B resells them to final consumers for € 900. The company fabricate, resident in A, sells them to the unrelated one, resident in C, for € 600 but € 75 is included in this price, which is the cost of insurance on transport. It is known that the margin the profit that distributors usually earn in operations similar to those carried out by the resident company in B is 45% and that the gross margin on the manufacturing cost in empress manufactures lamps, as the resident in country A, is 85% and the net profit margin on the total cost in those empress is 30%.
IT IS REQUESTED: To calculate the arm's length price by applying all possible methods.