jp808997

Manitoba Telecom Services (MTS) purchases an iPhone for $749.99 less discounts of 25% and 15%. MTS's expenses are known to
average 30% of the regular unit selling price. (25 marks)
a. What is the regular unit selling price if a profit of $35 per iPhone is required?
b. What are the expenses?
c. What is the markup on cost percentage?
d. What is the break-even selling price?

Problem Solving

Sodium ions (Na+) are flowing through a cylindrical ion channel which has a diameter of 0.85 m and is 5 m long. There is a potential difference of 225 mV between the ends of the channel. The sodium ions have a drift velocity through the channel of 0.015 and in a period of 1 ms a total of ions exit the channel.