Hannah Ortega is considering expanding her business. She plans to hire a salesperson to cover trade shows. Because of compensation, travel expenses, and booth rental, fixed costs for a trade show are expected to be $$19,500.$ The booth will be open $3$ hours during the trade show. Ms$.$ Ortega also plans to add a new product line, ProOffice, which will cost $$179$ per package. She will continue to sell the existing product, EZRecords, which costs $$99$ per package. Ms$.$ Ortega believes that the salesperson will spend approximately $29$ hours selling EZRecords and $10$ hours marketing ProOffice.

$01$:$14$:$29$ Required

a$.$ Determine the estimated total cost and cost per unit of each product, assuming that the salesperson is able to sell $83$ units of EZRecords and $55$ units of ProOffice.

b$.$ Determine the estimated total cost and cost per unit of each product, assuming that the salesperson is able to sell $192$ units of EZRecords and $105$ units of ProOffice.

Note: For all requirements, round "Cost per unit" to $2$ decimal places.