The estimated supply function for avocados is Q = 6 + p/2 - 3f, where f is the price of fertilizer, p is the price of avacados, and Q is the quantity of avacados per day.

When the price of fertilizer increases by $1.00 the inverse supply curve shifts (in $)?

When the price of fertilizer increases by $3.00 the supply curve shifts

The price elasticity of supply, estimated at p = 12 and f = 3, is equal to