Question
Calculating Principal, rate, and Time Philip wants to supplement his pension by $2000 per month with income from his investments. His investments pay him monthly
Calculating Principal, rate, and Time
- Philip wants to supplement his pension by $2000 per month with income from his investments. His investments pay him monthly and earn 6% p.a. What value of investments must Philip have in his portfolio to generate enough interest to give him his desired income?
- What is the amount to which $7,250.00 will grow at 7.75% p.a. in 3 months?
- Bunny's Antiques received $88.47 interest on a 120-day term deposit of $7800. At what rate of interest was the term deposit invested?
3.Anne's Dress Shop borrowed $3200 to buy material. The loan was paid off seven months later by a lump-sum payment that included $168 of interest. What was the simple rate of interest at which the money was borrowed?
4.A bank pays an interest of 4.5% for a three-month term deposit. Calculate the amount that Mark must invest to earn an interest of $100.00.
Future Value
- Prairie Grains Cooperative wants to invest $45 000 in a short-term deposit. The bank offers 1.3% interest for a one-year term and 1.1% for a six-month term.
- How much would Prairie Grains receive if the $45 000 is invested for one year?
- How much would Prairie Grains receive at the end of one year if the $45 000 is invested for six months and then the principal and interest earned is reinvested for another six months?
- What would the one-year rate have to be to yield the same amount of interest as the investment described in part (b)?
Break Even and Contribution Rate, and Margin
- Tara makes and sells scarves for children and adults. She is able to sell the scarves for $18 per unit. Materials for the scarves cost $4 each. She has fixed cost per month of $280, and estimates that she can make and sell 80 scarves each month. How many scarves does Tara need to sell to break even?
- A manufacturer makes high-class pens. The pen case costs $7.26 each, the ink holder costs $1.26 each, the spring costs $.07 each and the gold pen case costs $0.91 each. The plant has general and administrative costs of $55000 and fixed selling expenses of $37500. The pens sell of $39.95 each. Plant capacity is 4000 pens per period. At what percentage of capacity is the break-even point?
2. A vehicle accessory shop is considering buying a new style of wheels for $168 and selling them at $369.60 for each wheel. Fixed cost related to this new style of wheel amounts to $2465. It is estimated that 16 wheels per month could be sold. How much profit will the accessory shop make each month?
3. Sanford and Sons, a local manufacturer of a product that sells for $13.50 per unit. Variable cost per unit is $7.85 and fixed cost per period is $1,220. Capacity per period is 1100 units.
Perform a break-even analysis showing an algebraic statement of:
- The revenue function.
- The cost function.
- Calculate the break-even point in units.
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