Please show all calculations

Question 5(14 marks) The following information has been provided by Speedy Car & Maintenance Shoppe: Repairs Parts Repair mechanic wages 300,000 - Service manager salary 100,000 - Parts managersalary - 80.000 Employee benefits: 20% of salaries and wagls 80,000 16,000 Supplies 5,000 5,000 Clerical costs 15,000 12,000 Invoice cost on parts used 700.000 Total budgeted costs 500,000 813,000 The maintenance manager estimates that customers will be billed based on 50,000 hours of repair time. In addition, the prot will be $15 per hour of repair time. For parts, the competitive markup on invoice cost of parts used will be 30%. Freddie, a student on placement with Speedy Car & Maintenance Shoppe has to prepare an invoice to a customer for a job requiring 8 hours of the mechanic's wages and $300 in parts used. Freddie is confused and needs some help. Required: Calculate the total amount of the invoice for this job considering the time rate and materials loading charge that would have been determined. Show all calculations