e. What is the maximum interest rate Isaac can charge so that at least one type of farmer will want a loan? f. Derive an expression for Isaac's expected profit, 3(a), as a function of the interest rate for values between the interest rates you identified in part b and part e. g. What will happen if Isaac increases the interest rate above the interest rate you identified in part e? h. Use the expressions from parts c and f to graph Isaac's expected profit as a function of the interest rate for interest rates between 0 and 3. Label this graph "Figure 4. Lender's Expected Prot under Asymmetric Information" and insert it in the box below