Please provide steps and work, I am having a hard time thank you!!!

Let x be the number of occupied rooms. (a) Write the expression for total cost (in dollars) per month in terms of x. Assume 30 days per month. C(x)= (b) Write the expression for total revenve (in dollars) per menth in terms of x. Assume 30 days per month. R(x)= (c) If there are 12 guest rooms available, can they break even? Yes No