What was the compensation Mr. Smith was to receive for washing the windows of Ms. Johnson's apartment house?

The compensation that Mr. Smith was to receive for washing the windows of Ms. Johnson's apartment house is indicated as $750. This amount generally reflects the prevailing rates for such work, taking into account factors like the size of the apartment complex, the number of windows to be washed, and the potential complexity involved in reaching higher or hard-to-access areas. This compensation figure likely aligns with industry standards for window cleaning services, ensuring that Mr. Smith is fairly reimbursed for his labor and effort.

In contrast, lower compensation figures such as $500, $300, or $1,000 may not accurately consider the scope of work required or might reflect outdated pricing in the market. Understanding the rationale behind the specified amount helps highlight the value of professional services and the economic conditions influencing labor costs in the arts and maintenance sectors.