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Ivy College requires term papers in many classes, and every paper must conform t

ID: 1126080 • Letter: I

Question

Ivy College requires term papers in many classes, and every paper must conform to "The Chicago Manual of Style." Selena is a student at Ivy College who runs a copyediting business on the side: students bring her their term papers and she edits them in keeping with the high standards demanded by her college. She is the only person around who is trusted to do the job right Selena knows her customers well and knows how much each person is willing to pay for her services. She ranks her customers according to their reservation price. (Here reservation price just means the maximum price the student is willing to pay for the copyediting) Reservation Price (Dollars) 12 Student Alice Billy Callum Declan Eli Fiorina Gloria Hannah 10 1.2. Selena estimates her marginal cost of copyediting a paper at $5. If Selena charges the same price to all her customers, how much would she charge? Please enter a whole number, with no decimal point.

Explanation / Answer

If she charges $5, her profit is zero.

If she charges $6, her profit is $1x7=$7

If she charges $7, her profit is $2x6=$12

If she charges $8, her profit is $3x5=$15

If she charges $9, her profit is $4x4=$16

If she charges $10, her profit is $5x3=$15

So, she should charge $9 to maximize profit