Answered: Sonya used to earn $25,000 a year…

ENGR.ECONOMIC ANALYSIS

14th Edition

ISBN:9780190931919

Author:NEWNAN

Publisher:NEWNAN

Chapter1: Making Economics Decisions

Section: Chapter Questions

Problem 1QTC

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Question

Sonya used to earn $25,000 a year selling real estate, but she now sells greeting cards. The return to entrepreneurship in the greeting cards industry is $14,000 a year. Over the year, Sonya bought $10,000 worth of cards from manufacturers and sold them for $58,000. Sonya rents a shop for $5,000 a year and spends $1,000 on utilities and office expenses. Sonya owns a cash register, which she bought for $2,000 with funds from her savings account. Her bank pays 3 percent a year on savings accounts. At the end of the year, Sonya was offered $1,600 for her cash register. Calculate Sonya’s explicit costs, implicit costs, and economic profit.

Use the following information to work Problems 2 to 4.

Yolanda runs a bullfrog farm. When she employs 1 person, she produces 1,000 bullfrogs a week. When she hires a second worker, her total product doubles. Her total product doubles again when she hires a third worker. When she hires a fourth worker, her total product increases but by only 1,000 bullfrogs. Yolanda pays $1,000 a week for equipment and $500 a week to each worker she hires.

Construct Yolanda’s marginal product and average product schedules. Over what range of workers does Yolanda’s experience increasing marginal returns?
Construct Yolanda’s total variable cost and total cost schedules. Calculate Yolanda’s total fixed cost.
At what output is Yolanda’s average total cost at a minimum?

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