5% if you buy between CHF 2001 and CHF 3000; • 6% if you buy between CHF 3001 and CHF 4000; The discount for chairs depends on the number of chairs

you buy beyond 25 chairs. For every 5 additional chairs you buy, you receive half a percentage point more: • 2% if you buy between 26 and 30 chairs; • 2.5% if you buy between 31 and 35 chairs; a) How many tables do you buy if you want to have as many tables as possible? (Round your answer to the nearest unit if needed) tables b) How much do you finally pay for all the tables and chairs? (Round your answer to the nearest unit if needed) CHF