Using this table, calculate the marginal cost of each of these quantities of bikes.

the first bike: $
the fourth bike: $
the sixth bike: $
the seventh bike: $

Marginal cost is termed as the cost of producing an additional quantity of goods and services. It refers to the change in the cost of total production due to the additional production of goods and services. The marginal cost is calculated by a change in cost is divided by a change in quantity.

The marginal cost of each quantity of bikes are:

The cost of production at 0 quantity bike is 0 and hence the marginal cost for 1st bike is 80$.  For the fourth bike, we have that the 3 bikes cost 110$ and the 4 bikes cost 130$. Hence it costs 20$ dollars to produce one more bike (from 3rd to 4th) and hence the marginal cost is 20$. Similarly,  for the 6th bike, we compare the cost of producing 5 bikes to the cost of producing 6 bikes and we get that the marginal cost is 50$. Applying the same methodology, the marginal cost for the 7th bike is 60$.

To know more about the calculation of the marginal cost, refer to the link below:

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abolish

do away with

unanimous

in complete agreement

secede

separate; break free

inauguration

starting a new position with a formal ceremony.

cooperationist

people who wanted the north to cooperate with the south

surrender

to give up

volunteer

perform a service for free

draft

involuntary service in military

retreat

withdraw; move away from enemy

advisor

expert who gives advice

explanation:

answer; negative punishment;