Determine the effect on short -run aggregate supply of each of the following events. explain whether it represents a movement along the sras curve or a shift of the sras curve.
a. a rise in the consumer price index (cpi) leads producers to increase output.
b. a fall in the price of oil leads producers to increase output.
c. a rise in legally mandated retirement benefits paid to workers leads producers to reduce output.

Lo.2, 3, 9 lori, who is single, purchased 5-years class property for $200,00 and 7-years class property for $420,000 on may 20, 2018. lori experts the taxable income derived form the business (without regard to the amount expensed under ⧠179) to be about $550,000. lori has determined that she should elect immediate ⧠179 expensing in the amount of $520,000, but she doesn’t know which asset she should completely expense under ⧠179. she does not claim any available additional first-year depreciation. a. determine lori’s total cost recovery deduction if the ⧠179 expense is first taken with respect to the 5-year class asset. b. determine lori’s total cost recovery deduction if the ⧠179 expense is first taken with respect to the 7-year class asset. c. what is your advice for lori? d. assume that lori is in the 24% marginal tax bracket and that she uses ⧠179 on the 7-year asset. determine the present value of the tax savings from the depreciation deductions for both assets. see appendix g for present value factors, and assume a 6% discount rate. e. assume the same facts as in part (d), except that lori decides not to use ⧠179 on either asset. determine the present value of the tax savings under this choice. in addition, determine which option lori should choose. f. present your solution to parts (d) and (e) of the problem in a spreadsheet using appropriate microsoft excel formulas. e-mail your spreadsheet to your instructor with a two-paragraph summary of your findings.

Exercise 18-15 sheffield appliance center is an experienced home appliance dealer. sheffield appliance center also offers a number of services for the home appliances that it sells. assume that sheffield appliance center sells ovens on a standalone basis. sheffield appliance center also sells installation services and maintenance services for ovens. however, sheffield appliance center does not offer installation or maintenance services to customers who buy ovens from other vendors. pricing for ovens is as follows. oven only $790 oven with installation service 850 oven with maintenance services 970 oven with installation and maintenance services 990 in each instance in which maintenance services are provided, the maintenance service is separately priced within the arrangement at $180. additionally, the incremental amount charged by sheffield appliance center for installation approximates the amount charged by independent third parties. ovens are sold subject to a general right of return. if a customer purchases an oven with installation and/or maintenance services, in the event sheffield appliance center does not complete the service satisfactorily, the customer is only entitled to a refund of the portion of the fee that exceeds $790. assume that a customer purchases an oven with both installation and maintenance services for $990. (b) indicate the amount of revenue that should be allocated to the oven, the installation, and to the maintenance contract.

Joe pays ann to mow his lawn and ann mows vanna's lawn by mistake. vanna peers out her window and sees ann mowing, yet says nothing to ann about her mistake since vanna needs to have her lawn mowed. when ann approaches vanna for payment, vanna refuses, arguing that she never asked ann to mow her lawn. under these circumstances, ann can recover payment from vanna under: