You can not use the cost of the water heater as a guide to the cost of the installation! Every job is different. With new technology today makes installation two to three times more difficult than in 1960's.
dramatic play - a dramatic work intended for performance by actors on a stage; he wrote several plays but only one was produced on Broadway. drama, play. drama - the literary genre of works intended for the theater. stage direction - an instruction written as part of the script of a play. dramatic composition, dramatic work - a play for performance on the stage or television or in a movie etc.
In literature, the word drama defines a genre, or style of writing. Drama is a play that can be performed for theatre, radio or even television. These plays are usually written out as a script, or a written version of a play that is read by the actors but not the audience. This is where theatre comes in. Drama, as in a play, is meant to be performed on a stage in front of an audience at the theatre. So, drama refers to the script, while the word theatre is the performance of the script.