d) bavlna: 8,50 %
$P_{1A}=100\frac{\mathrm{10,30}1+\frac{\mathrm{17,00}+\mathrm{0,00}}{100}}{\mathrm{10,30}1+\frac{\mathrm{17,00}+\mathrm{0,00}}{100}+\mathrm{50,00}1+\frac{\mathrm{6,25}+\mathrm{0,00}}{100}+\mathrm{39,70}1+\frac{\mathrm{8,5}+\mathrm{4,00}}{100}}=\mathrm{10,97}\%$
$P_{2A}=100\frac{\mathrm{50,00}1+\frac{\mathrm{6,25}+\mathrm{0,00}}{100}}{\mathrm{109,8385}}=\mathrm{48,37}\%$
$P_{3A}=100-\mathrm{10,97}+\mathrm{48,37}=\mathrm{40,66}\%.$