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PROBLEM 2 ( Total 10 marks) Part A- ( 5 marks) An invoice states that interest will be charged on overdue accounts at the rate of 1½% per month. What will be the interest charges on a $3,760 billing that is 3 months overdue?     Part B- (5 marks) A two-payment stream consisting of $1,750 due today and $2,900 due in 18 months is to be replaced by an economically equivalent stream comprised of an undetermined payment due in 9 months and a payment of $3,000 due in 19 months. Calculate the unknown replacement payment if money is worth 4.2% compounded monthly.         

How much interest will be earned on $8,000 over a period of four months if the interest rate is 6.5%? 

How much money would you have at the end of 10 years if you made deposits of $4,000 at the end of every three months into an investment that accumulated at 9% compounded quarterly? 

Fred borrowed money 18 months ago at 12% compounded semi-annually. He now owes a total of $5,450. How much of this is interest?   

An invoice for $50,000 dated March 15 with terms 3/10, 2/20, n/30 is received in the mail on March 17. If the company wants to reduce the outstanding balance to $25,000, how much should they pay on March 26? 

Kuldip’s factory manufactures toys that sell for $29.95 each. The variable cost per toy is $11, and the total fixed costs for the month are $45,000. Calculate the unit contribution margin. 

 M Studios buys cameras at a unit cost of $250. Their operating expense is 40% per unit of cost, and their desired unit operating profit is 30% of cost. What selling price should M Studios advertise for the camera? 

The LPN/LVN instructs a newly hired nurse on how to provide wound care for a client with a stage 4 pressure injury with tunneling. Which action indicates that additional teaching is needed? 

The LPN/LVN is caring for an immobiled client at risk for developing a pressure injury. Identify if each intervention is indicated, contraindicated, or not essential in preventing a pressure injury. Each choice may be used multiple times or not at all. 

One of mechanisms of immune defense is the generation of antibody dependent cell cytotoxicity (ADCC).  For an immune cell to have the potential to use ADCC, which of the following must occur?