The fruit tree yield per tree in an orchard containing 60 trees is 140 pounds per tree each year. Due to crowding, the yield decreases by 2 pounds per tree for every additional tree planted. What is the yield per tree that will maximize the yield for the entire orchard

A$100 million interest rate swap has a remaining life of 10 months. under the terms of the swap, the six-month libor is exchanged semi-annually for 12% per annum. the six-month libor rate in swaps of all maturities is currently 10% per annum with continuous compounding. the six-month libor rate was 9.6% per annum two months ago. what is the current value of the swap to the party paying floating? what is its value to the party paying fixed?