What are five elements commonly found in contracts?

Arival company manufactures fuel tanks for cars using a different production technique. the total weekly cost (in dollars) of producing x tanks is given by c(x) = 10000 +90x - 0.04x2 find the marginal cost at a production level of 500 fuel tanks per week to approximate the cost of the 501st unit (round to the nearest 2 decimal places, if needed)

An employer who is considering hiring eva has asked donna, eva’s former supervisor, for a report on eva. in truth, eva’s work for donna has been only average. however, eva is donna’s friend, and donna knows that eva probably will not get the job if she says anything negative about eva, and donna knows that eva desperately needs the job. further, donna knows that if the situation were reversed, she would not want eva to mention her deficiencies. nevertheless, it has been donna’s policy to reveal the deficiencies of employees when she has been asked for references by employers, and she knows that some of eva’s faults may be bothersome to this particular employer. finally, this employer has leveled with donna in the past when donna has asked for a report on people who have worked for him. should donna reveal deficiencies in eva’s past performance? (remember to use one of the three moral theories acceptable for this test to solve this dilemma. any discussion of any personal opinion, religious perspective, or theory other than the moral theories acceptable for this test will result in a score of "0" for this question.)

The mccolls have made an offer on a new home. the home is new construction and scheduled to be completed by the end of the year. they provide a purchase deposit--a check in the amount of $40,000--to their agent, suzette. suzette, at the broker's direction, deposits the earnest money in the broker's trust fund account within two business days of receipt of the funds. did suzette follow the proper procedures? a. no, the check should not have been cashed. if a check is used as an earnest money deposit, it is to be held until acceptance of the offer. the seller must also be informed the buyer's check is being held and not negotiated.b. yes, suzette deposited the earnest money in the broker's trust fund account as directed. she also deposited the check within three business days of receipt. unless there were written instructions to hold the check until acceptance of the offer, the check may be cashed.c. no, suzette needed to deposit the earnest money in the broker's trust fund account within two days of receipt, not necessarily two business days.d. both a and c