Use the following information about the values of different types of money/assets for the next 3 questions.

Use the following information about the values of different types of money/assets for the next 3 questions.

Savings deposits - $4,200 billion

Currency - $1,200 billion

Total reserves - $800 billion

Money market mutual funds - $700 billion

Checkable deposits - $1,300 billion

Small-time deposits - $700 billion

Stocks - $1,000 billion

What is the value of MB?