1: What amount three years ago is equivalent to $5,900 on a date 1.5 years from now if money earns 2% compounded semiannually during the intervening time? (Round your final answer to 2 decimal places.) Equivalent amount

2: Memex Corp. manufactures memory expansion boards for microcomputers. The average selling price of its finished product is $230 per unit. The average variable cost per unit is $150. Memex incurs fixed costs of $1,840,000 per year. c-1. What will be the company's profit or loss at 25,000 units of sales for a year?

c-2. What will be the company's profit or loss at 22,500 units of sales for a year? (Input the value as positive number.)

3: How much larger will the value of an RRSP be at the end of 20 years if the contributor makes month-end contributions of $690, instead of year-end contributions of $8,280? In both cases the RRSP earns 7.8% compounded semiannually. (Do not round intermediate calculations and round your final answer to 2 decimal places.) The RRSP will be

4: Apex Fabricating wants to accumulate $815,000 for an expansion expected to begin in four years. If today Apex makes the first of equal quarterly payments into a fund earning 7.50% compounded monthly, what should the size of these payments be? (Do not round intermediate calculations and round your final answer to 2 decimal places.) The quarterly payments