Use the following table to answer the questions, where Q is quantity, MBa is the marginal benefit from good A, and MBb is the marginal benefit from good B. Assume that the price of A is $25 and the price of B is $40.

Q. MBa (MP/p)a MBb (MP/p)b

1 200 240

2 175 200

3 150 160

4 125 120

5 100 80

6 75 40

Given a budget of $245, what is the optimal mix of goods A and B? At this mix, what is your total benefit?