Table 13 Shows the Hypothetical Trade-Off Between Different Combinations of Brushes

Table 1.3 shows the hypothetical trade-off between different combinations of brushes and combs that might be produced in a year with the limited capacity for Country X,ceteris paribus.Complete the table by calculating the required opportunity costs for brushes and combs. $\begin{array}{|c|c|c|c|c|c|}\hline \text { Combination } & \begin{array}{c}\text { Number } \\\text { of } \\\text { Brushes }\end{array} & \begin{array}{c}\text { Opportunity Cost } \\\text { of Brushes in } \\\text { Terms } \\\text { of Combs }\end{array} & \begin{array}{c}\text { Number } \\\text { of Combs }\end{array} & \begin{array}{c}\text { Opportunity Cost } \\\text { of Combs in Terms } \\\text { of Brushes }\end{array} \\\hline \text { J } & 0 & & 4 \\\hline \mathrm{K} & 10 & & 3 \\\hline \mathrm{L} & 17 & & 2 \\\hline \mathrm{M} & 21 & & 1 \\\hline \mathrm{N} & 23 & & 0 \\\hline\end{array}$

Table 1.3
Production Possibilities for Brushes and Combs On the basis of your calculations in Table 1.3,in the production range of 2 to 3 combs the opportunity cost of producing 1 more comb in terms of brushes is

A) 3.33.
B) 7.0.
C) 0.67.
D) 0.14.