When computing standard error, if the variability (p times q) increases and the sample size remains the same, then the standard error:
A) decreases
B) increases
C) remains the same
D) is about average
E) none of the above; there is no such thing as standard error
B
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Mickey Tire Company makes a special kind of racing tire
Variable costs are $225 per unit, and fixed costs are $30,000 per month. Mickey sells 500 units per month at a sales price of $310. If the quality of the tire is upgraded, the company believes it can increase the sales price to $349. If so, the variable cost will increase to $234 per unit, and the fixed costs will rise by 50%. If Mickey decides to upgrade, how will operating income be affected? A) Operating income will decrease by $15,000. B) Operating income will decrease by $4,500. C) Operating income will increase by $4,500. D) Operating income will remain the same.
From the importer's point of view the most attractive method of payment is
A) open account. B) time draft. C) documentary collection. D) documents against payment.