A medium-sized company employs workers with a gross hourly wage of 15. The employer's social burdens total 30%. The following values are available from the personnel statistics: sickness rate paid holidays addition absence christmas holiday bonus additional vacation pay in unit "weeks" 12 15 1 90% of the attendance time can be charged directly. Task: a) Determine the labour costs per attendance hour (10 points) b) Calculate the gross sales price of a service hour. The other overhead costs are 5 per hour (VAT 20%, profit surcharge: 10%) (5 Points)