Mark Values His Drum Set at $800 and Ella Values

question 110

Multiple Choice

Mark values his drum set at $800 and Ella values her guitar at $1,000. Suppose that Mark trades his drum set for Ella's guitar.

• A) This trade makes Ella worse off by $200.
• B) This trade makes Mark better off by $200.
• C) Mark must value Ella's guitar for at least $1,000, and Ella must value Mark's drum set for at least $800.
• D) This trade creates value by moving the guitar and drum set to people who value them more.

---

Definitions:

Dot Operator

A symbol used in programming languages like C++ and Python for accessing attributes or methods of an object.

Indirection Operator

In programming, specifically C and C++, it is the asterisk (*) used to dereference a pointer, giving access to the value stored at the pointer's address.

Member Operator

Operators used in object-oriented languages to access the properties or methods of an object or class.

Structure Pointer Operator

The arrow (->) operator in C and C++, used to access members of a structure through a pointer to the structure.