Firma má na výrobu svojich výrobkov náklady vo výške 20 €. a) predajnú cenu výrobku, ak výrobca nie je platiteľ DPH a z predaja chce mať zisk vo výške 19 %.
b) ako sa zmení predajná cena, ak sa výrobca registruje ako platiteľ DPH (20 %)
c) odberateľ si objedná 344 ks týchto výrobkov so zľavou 12%. Vypočítajte celkovú cenu tejto objednávky (fakturovanú cenu), a rozpíšte ju na cenu bez DPH a DPH. Vypočítajte o koľko sa zníži zisk výrobcu pri poskytovanej zľave.

How do i do this? i don’t understand

Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.

Ana earns 2.5% simple interest on $2,000 in her savings account. she does not make any deposits or withdrawals. after 3 years, how much interest will ana have earned on her savings account?