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Final answer:To graph Kimiko's budget line, plot the quantities of sushi on the x-axis and the quantities of yakitori on the y-axis. If Kimiko's friend Barry gives her $80 more, there will be an outward shift of point B only on the budget line. The slope of the budget line remains the same.Explanation:To graph Kimiko's budget line, we can plot the quantities of sushi on the x-axis and the quantities of yakitori on the y-axis. Each serving of sushi costs $8, so the budget line starts at (0, 30) because Kimiko can buy 30 servings of sushi with her $240 budget. Each yakitori skewer costs $2, so the budget line starts at (15, 0) because Kimiko can buy 15 skewers with her $240 budget. Connecting these two points gives us a straight line.If Kimiko's friend Barry gives her $80 more, her budget increases to $320. This will cause an outward shift of point B only on the budget line because the quantity of sushi and yakitori that Kimiko can buy will increase at all price levels. However, the slope of the budget line, which represents the relative prices of sushi and yakitori, remains the same....