I am having trouble with question 4-8. These are all reasons for changes in supply. I am to decide if the situation causes an increase or decrease in supply and determine the new curve beginning at curve c.

this is per a graph with the y axis being price and x axis being baseball bats. The curves or lines in the graph are labeled And shown in this order A, B, C ,D ALL WITH POSITIVE slopes

Supply Curve 6. The prices of walking sticks and canes made from wood rise dramatically Supply Curve D 7. The wood-workers' union wins a 10% increase in wages Supply no change Curve 8. NCAA announces that its collegiate teams will be forced to use wooden b starting the year 2022 Supply Curve PARTR