Jadeen says that you can increase the resistance of a copper wire by hammering the wire to make it narrower and longer. arnell says that you can increase its resistance by heating the wire. which one, if either, is correct, and why?

Juniper company uses a perpetual inventory system and the gross method of accounting for purchases. the company purchased $9,750 of merchandise on august 7 with terms 1/10, n/30. on august 11, it returned $1,500 worth of merchandise. on august 26, it paid the full amount due. the correct journal entry to record the merchandise return on august 11 is:

Parks corporation is considering an investment proposal in which a working capital investment of $10,000 would be required. the investment would provide cash inflows of $2,000 per year for six years. the working capital would be released for use elsewhere when the project is completed. if the company's discount rate is 10%, the investment's net present value is closest to (ignore income taxes) ?

Camilo is a self-employed roofer. he reported a profit of $30,000 on his schedule c. he had other taxable income of $5,000. he paid $3,000 for hospitalization insurance. his self-employment tax was $4,656. he paid his former wife $4,000 in court-ordered alimony and $4,000 in child support. what is the amount camilo can deduct in arriving at adjusted gross income (agi)?