4 In year 1, the prices of goods X, Y, and Z are $2, $4, and

$6 per unit, respectively. In year 2, the prices of goods X, Y, and Z are $3, $4, and $7, respectively. In year 2, twice as many units of each good are produced as in year 1. In year 1, 20 units of X, 40 units of Y, and 60 units of Z are produced. If year 1 is the base year, what does Real GDP equal in year 2?