Given the Following Ricardo-Type Table Showing the Amount of Labor

Multiple Choice

Given the following Ricardo-type table showing the amount of labor input required to produce one unit of output of each of the two goods in each of the two countries:
$\begin{array}{lll}&\underline{\text { Shirts }}&\underline{\text { Machines }}\\\text { France } & 3 \text { days } & 5 \text { days } \\\text { Germany } & 2 \text { days } & 4 \text { days }\end{array}$

If the wage rate in France is €60 per day (i.e., 60 euros per day) , what is the upper limit to the wage rate per day in Germany (which also uses the euro) that is compatible with two-way trade between the countries?

A) €40
B) €48
C) €75
D) €90