HELP i need help detailed steps pls i dont understand any parts of the question. Please explain every step.

EXERCISE $9-10$

Flexible Budget Performance Report $[$ LO$4]$

Vision and Audio is a small owner$-$managed business that specializes in the installation of television and audio equipment for customers with high$-$end home theatre systems. The company has provided the following data concerning its most recent month of operations:

$\backslash$table$[[,\backslash$table$[[$Budgeted$],[$Fixed$],[$Component$],[$per Month$]],\backslash$table$[[$Budgeted$],[$Variable$],[$Component$],[$per Installation$]],\backslash$table$[[$Actuals for$],[$October$]]],[$Revenue$,,$$$550,$$$52,250],[$Installer wages,$$17,200,,16,900],[$Selling and administrative expenses,$1,225,15,2,804],[,,,(1,304$ fixed$)],[$Office expenses,$5,400,3,416,],[,,,(5,112$ fixed$)],[$Marketing expenses,$3,160,,3,300],[$Insurance$,300,,300],[$Miscellaneous expenses,$550,,709],[,,,(538$ fixed$)]]$

The company uses the number of installations as its measure of activity. For example, selling and administrative expenses should be $$1,225$ plus $$15$ per job, and the actual selling and administrative expenses for October were $$2,804.$ The company expected to do $100$ installations in October, but actually did $95.$

Required:

Prepare a comprehensive performance report for October using $$ Exhibit $9-5$ as your guide. Assume that the static budget for October was based on an activity level of $100$ jobs.