The table lists the marginal utility gained by a consumer who spends his entire weekly income of $42 on two goods X and Y. Good X costs $3 per unit and Good Y costs $6 per unit. To maximise his utility, what quantities of X and Y should the consumer buy?
- AX 2, Y 6
- BX 4, Y 5
- CX 6, Y 4
- DX 8, Y 3