Sherman peabody earns a monthly salary of $2000, which he receives at the beginning of each month. he spends the entire amount each month, at the rate of $67 per day. (assume 30 days in a month.) the interest rate paid on bonds is 10 percent per month. it costs $4 every time peabody sells a bond. using the information above compute the following: (1) peabody should sell (switch) bonds per month, because he can maximize his net profit by doing so. (enter your response as an ) the maximum net profit would be $ (enter your response as an ) the optimal average of money holdings is $