For each of the following scenarios, determine which market model best describes the scenario. Then identify the number of firms, the type of product, and the ease with which new firms can enter the market under this market structure.
Scenario Number of Firms Type of Product Entry Market Model a. Hundreds of colleges serve millions of students each year. The colleges vary by location, size, cost, and educational quality, which enables students to match schools to their diverse preferences.
b. Hundreds of high school students who require tutoring in algebra choose among dozens of tutoring companies offering similar services.
c. Three airlines operate between San Francisco and San Diego. There are not enough potential customers to share the route with a fourth airline without causing the average costs of the existing competitors to rise substantially.
d. Consumers view all airlines as the same service and will select the least expensive one. The government has granted the U. S. Postal Service the exclusive right to deliver mail.

During the year, the delph company had no beginning or ending inventories and it started, completed, and sold only two jobs—job d-75 and job c-100. it provided the following information related to those two jobs: job d-75: molding fabrication total direct materials cost $ 375,000 $ 325,000 $ 700,000 direct labor cost $ 200,000 $ 160,000 $ 360,000 machine-hours 15,000 5,000 20,000 job c-100: molding fabrication total direct materials cost $ 300,000 $ 250,000 $ 550,000 direct labor cost $ 175,000 $ 225,000 $ 400,000 machine-hours 5,000 25,000 30,000delph had no overapplied or underapplied manufacturing overhead during the year. assume delph uses a plantwide overhead rate based on machine-hours.1-a. compute the predetermined plantwide overhead rate.1-b. compute the total manufacturing costs assigned to job d-70 and job c-200.1-c. if delph establishes bid prices that are 150% of total manufacturing costs, what bid price would it have established for job d-70 and job c-200? 1-d. what is delph's cost of goods sold for the year? assume delph uses departmental overhead rates based on machine-hours.2-a. compute the predetermined departmental overhead rates.2-b. compute the total manufacturing costs assigned to job d-70 and job c-200.2-c. if delph establishes bid prices that are 150% of total manufacturing costs, what bid price would it have established for job d-70 and job c-200? 2-d. what is delph's cost of goods sold for the year?