# Please solve all four .

$\mathrm{A}.26\mathrm{A}\phantom{\rule{0ex}{0ex}}90,000\times \frac{9}{100}\times \frac{5}{12}=3,375\phantom{\rule{0ex}{0ex}}\mathrm{A}.26\mathrm{B}\phantom{\rule{0ex}{0ex}}90,000\times \frac{9}{100}\times \frac{4}{12}=2,700\phantom{\rule{0ex}{0ex}}\mathrm{A}.26\mathrm{C}\phantom{\rule{0ex}{0ex}}90,000\times \frac{9}{100}\times \frac{4.5}{12}=3,037.50\mathrm{or}3,038\phantom{\rule{0ex}{0ex}}\mathrm{A}.27\left(\mathrm{i}\right)\phantom{\rule{0ex}{0ex}}60,000\times \frac{8}{100}\times \frac{6}{12}=2,400\phantom{\rule{0ex}{0ex}}\mathrm{A}.27\left(\mathrm{ii}\right)\phantom{\rule{0ex}{0ex}}60,000\times \frac{8}{100}=4,800\phantom{\rule{0ex}{0ex}}$

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