I need some help with this

You decide to begin selling bottles of water at the local art festival. Your cost for each bottle of water is $1.37 plus you have to pay a fixed weekly fee of $190 for the booth. Your plan is to sell each bottle of water for $2.61. a. Write a function, C(n) , to represent your total costs for the week if you sell n bottles of water. C(n) b. Write a function, R(n) , to represent the revenue from the sale of n bottles of water during the week. R (n) = c. Write a function, P(n) , that represents the profits for selling n bottles of water in a given week. P(n) = d. How many items must you sell to break even? bottles of water