The text reports the results of a test for the significance of the difference in average income for random samples of males and females. males earned an average of about $17,000 more per year and the z score computed in step 4 was 6.53. given these results, which of the following is a reasonable conclusion?
a. there is no gender gap in income in the united states.
b. this difference is statistically significant but quite small.
c. the difference is not statistically significant and was probably caused by random chance.
d. the difference is statistically significant, large, and important.

The following cost and inventory data are taken from the accounting records of mason company for the year just completed: costs incurred: direct labor cost $ 90,000 purchases of raw materials $ 134,000 manufacturing overhead $ 205,000 advertising expense $ 45,000 sales salaries $ 101,000 depreciation, office equipment $ 225,000 beginning of the year end of the year inventories: raw materials $ 8,100 $ 10,300 work in process $ 5,900 $ 21,000 finished goods $ 77,000 $ 25,800 required: 1. prepare a schedule of cost of goods manufactured. 2. prepare the cost of goods sold section of mason company’s income statement for the year.