Esercizi 445,446,447
Esercizi 445,446,447
445)
Aliquota IVA $\small = 100\left(\dfrac{5,60}{5}-1\right) = 12\%.$
446)
Costi:
$\small C= \dfrac{11430}{1+\dfrac{27}{100}}$
$\small C= \dfrac{11430}{1,27}$
$\small C= 9000$ €.
Guadagno percentuale:
$\small = 100\left(1-\dfrac{9000}{11430-430}\right)$
$\small = 100\left(1-\dfrac{9000}{11000}\right) \approx{18,18}\%.$
447)
Prezzo di vendita dopo i due sconti consecutivi:
$\small PV= 650\left(1-\dfrac{12}{100}\right)\left(1-\dfrac{12}{100}\right)$
$\small PV= 650\left(1-\dfrac{12}{100}\right)^2$
$\small PV= 650×0,7744 = 503,36\,$ €.
Percentuale di sconto totale:
$\small S= 100\left(1-\dfrac{503,36}{650}\right) $
$\small S= 100×0,2256 = 22,56\%. $