Item	Cost ($)
PR materials	19,000
PR staff wages	135,000
Manager salary	100,000
Office rent	49,000

• Context: Spark PR Agency wants to estimate its annual costs associated with clients. Assume costs for PR materials and staff are variable costs.
• Data from last year (105 clients): See table above.
• Required:
  • a. Use account analysis to estimate total fixed costs per year and the variable cost per unit. Provide the cost equation in the form Y = f + vX.
  • b. Estimate the total costs for next year assuming 125 clients will be served.