Studying for finals and need answers to these problems. Thanks in Advance!!

3. Why does the free market system not provide public goods? 4. Complete the chart below. Each additional park will cost $6. # of Parks Leah Jared MSB MSC 1 $6 $5 2 $4 $3 3 $3 $2 4 $2 $1 5 $1 $0 5. The chart above shows the number of parks and the willingness to pay higher taxes for the only two individuals in society, Leah and Jared. How many parks should be built based on the information above? 6. Complete the chart below. Each additional park will cost $17. # of Parks Leah Jared MSB MSC $6 $5 2 $9 $7 3 $10 $8 7. How many parks should be built based on the information above