Without defining a type of labour or a place, that answer could be literally anything from $1 per hour to $500 per hour.
Not that I know of. Average cost does - in the form of a labour market
I do that often, average cost is cost of the toilet, floor seal, connector, and one hour labour. (in my case $50 -Most plumbers are much more -)
£75+ = cost of one hours labour + fluid
this is the study of labour which entails analysis and calculation of labour remuneration, recording of labour hours, introduction of incentives, recording of labour related cost and allocation of labour cost to products.
About one hour of labour at the prevailing local rate.
Without finishing, the materials cost about 1.80 per square foot. Labour depends how fast you are.
A short run is a periopd of time in which some factors of production(machinery,building,technical labour)can't be changed due to insufficiency of time while others like(raw material,ordinary labour,power etc.)can be changedaccording to the output to be produced.
labour
It is about one hour of labour. So depends on your labour cost.
It means the difference between the budgeted or estimated direct labour cost at the start of work activity with the actual direct labour cost at the end of activity or fiscal year. If budgeted cost is more then the actuall then it is favourable variance otherwise it is unfavourable direct labour cost variance
About 2-3 hours labour involved. Figure out from your local plumbing rates.
Marginal product is any input in the production process is the increase in the quantity of output obtained from on additional unit of the input. Average product is the output produced when one more unit of the variable factor is employed The relationship is state as: If labour's marginal product is exceed its average product that means labour's average product will be rising. Labour's average product will be falling. If labour's marginal product is less than its average product. If labour's marginal product is equal its average product and the average product will reach the minimum value at the point.