Bob is a retired teacher who lives in Philadelphia and provides math tutoring for extra cash. At a wage of $50 per hour, he is willing to tutor 7 hours per week. At $65 per hour, he is willing to tutor 10 hours per week. Using the midpoint method, the elasticity of Bob’s labor supply between the wages of $50 and $65 per hour is approximately ___ , which means that Bob’s supply of labor over this wage range is ___ .

At the beginning of the accounting period, nutrition incorporated estimated that total fixed overhead cost would be $50,600 and that sales volume would be 10,000 units. at the end of the accounting period actual fixed overhead was $56,100 and actual sales volume was 11,000 units. nutrition uses a predetermined overhead rate and a cost plus pricing model to establish its sales price. based on this information the overhead spending variance is multiple choice $5,500 favorable. $440 favorable. $5,500 unfavorable. $440 unfavorable.

Following is a list of various costs incurred in producing replacement automobile parts. with respect to the production and sale of these auto parts, classify each cost as either variable costs, fixed costs, or mixed costs. 1. oil used in manufacturing equipment 2. plastic 3. property taxes, $165,000 per year on factory building and equipment 4. salary of plant manager 5. cost of labor for hourly workers 6. packaging 7. factory cleaning costs, $6,000 per month 8. metal 9. rent on warehouse, $10,000 per month plus $25 per square foot of storage used 10. property insurance premiums, $3,600 per month plus $0.01 for each dollar of property over $1,200,000 11. straight-line depreciation on the production equipment 12. hourly wages of machine operators 13. electricity costs, $0.20 per kilowatt-hour 14. computer chip (purchased from a vendor) 15. pension cost, $1.00 per employee hour on the job

On coral island in 2012, the labor force is 12,000, the unemployment rate is 10 percent, and the labor force participation rate is 60 percent. during 2013, 200 unemployed people found jobs and the working-age population increased by 1,000. the total number of people in the labor force did not change. the working-age population at the end of 2013 was the unemployment rate at the end of 2013 was round up to the second decimal. the labor force participation rate at the end of 2013 was round up to the second decimal.