a) The demand and supply curves is shown below
b) Equilibrium price and quantity
The equilibrium price is the price where the quantity demanded by golfers equals the quantity supplied by the club's kitchen. In this case, the equilibrium price is $5.22 per lunch. At this price, golfers are willing to purchase 124.35 lunches, and the kitchen is willing to prepare and sell that same quantity.
c) Implications for pricing and availability
The calculated equilibrium suggests that the club should charge around $5.22 per lunch. At this price, they can expect to sell around 124.35 lunches. This information can be valuable for the club when making decisions about lunch pricing and staffing levels.