European International Has 3 Separate Business Units in the Following

European International has 3 separate business units in the following countries. Data for each of the business units is given below: $\begin{array}{|l|l|l|l|}\hline&\text { France } & 5 p \mathrm{a} i n & \text { italy }\\\hline \text { Selling price per unit } & £ 35 & £ 38 & £ 42 \\\hline \text { Manufacturing cost } & £ 4,000 \text { per month plus } £ 17 \text { per } & £ 3,500 \text { per month plus } £ 18 \text { per } & £ 5,000 \text { per month plus } £ 20 \text { per } \\& \text { unit } & \text { unit } & \text { unit } \\\hline \text { Administrative } & £ 2,500 \text { per month plus } £ 2.50 & £ 2,900 \text { per month plus } £ 2.90 & £ 3,500 \text { per month plus } £ 3.50 \\\text { expense } & \text { per unit } & \text { per unit } & \text { per unit } \\\hline \text { Sales commissions } & 15 \% \text { of sales } & 16 \% \text { of sales } & 20 \% \text { of sales } \\\hline \text { Advertising expense } & £ 2,000 \text { per month } & £ 3,000 \text { per month } & £ 2,000 \text { per month }\\\hline\end{array}$
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If the business unit in Spain plans to produce and sell 4,000 units next month, the expected gross margin would be

A) £71,000.
B) £77,000.
C) £78,000.
D) £76,500.