The sum of two number is 7 and their difference 1 need answer so hurry

Suppose an economist believes that the price level in the economy is directly related to the money supply, or the amount of money circulating in the economy. the economist proposes the following relationship: p=a x m - p=price level - m=money supply - a=a composite of other factors, including real gdp, that change very slowly over time. how might an economist gather empirical data to test the proposed relationship between money and the price level? an economist would persuade the federal reserve to change the money supply to various levels, and observe the resulting changes in the price level. unlike researchers in the hard sciences, economists cannot study complex relationships using data. economists do not usually develop theoretical models of the economy but only analyze summary statistics about the current state of the economy. an economist would look for data on past changes in the money supply, and note the resulting changes in the price level

On september 12, ryan company sold merchandise in the amount of $5,800 to johnson company, with credit terms of 2/10, n/30. the cost of the items sold is $4,000. ryan uses the periodic inventory system and the net method of accounting for sales. on september 14, johnson returns some of the non-defective merchandise, which is restored to inventory. the selling price of the returned merchandise is $500 and the cost of the merchandise returned is $350. the entry or entries that ryan must make on september 14 is (are): multiple choice sales returns and allowances 490 accounts receivable 490 merchandise inventory 350 cost of goods sold 350 sales returns and allowances 490 accounts receivable 490 sales returns and allowances 500 accounts receivable 500 sales returns and allowances 490 accounts receivable 490 merchandise inventory 343 cost of goods sold 343 sales returns and allowances 350 accounts receivable 350

Yael decides that she no longer enjoys her job, and she quits to open a gluten-free, dairy-free kosher bakery. she pays a monthly rent for her store of $2,000. her labor costs for one month are $4,500, and she spends $6,000 a month on nut flours, sugar, and other supplies. yael was earning $2,500 a month working as a bank teller. these are her only costs. her monthly revenue is $14,000. which of the following statements about yael’s costs and profit are correct? correct answer(s) an accountant would say she is earning a monthly profit of $1,500. her implicit costs are $2,500 a month. an economist would tell her that she is experiencing a loss. her total costs are $12,500 a month. her explicit costs include the labor, rent, and supplies for her store. her economic profit is $1,500 a month.