To answer the first question, Profit is the key motivator or primary incentive for any manufacturer to produce widgets (or any item in general).
What would happen to the supply of widgets if there was a technological advance that lowered the cost to make widgets?
If advancement of technology decreases the cost of producing a widget, profitability increases, and so the quantity of widgets grows. It is to be noted that technological advancements imply increase in efficiency.
What is the supply schedule for the whole market of widgets, based on these three suppliers?
See the attached.
Where is the market supply curve from the schedule in part (c) labeled the curve S1?
See attached.
Where is the graph from part (d that illustrates the effect of the technology advance on the supply of widgets and which is labelled the new curve S2?
See the attached.
Assuming the market situation from part (b), and that producers will not charge less than $1, would the quantity supplied to widgets be more or less than 11 widgets?
The quantity charged will increase because it is assumed that the least that can be charged is $1. When there is possibility to increase price or charge higher prices, the supply always goes up.
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