Дана функция валового дохода фирмы TR=1400q-6q^2 и общих издержек TC=1500+80q. Определите

1 Are you making a diagram now? No, I do not.

2 Is he preparing for his report at the conference now? No, he is not.

3 Was he doing an interesting work last week? No, he was not.

4 Will she be working at our laboratory next year? No, she will not.

5 Are we studying new drawing and specifications at present? No we are not.

6 Were they working on a new type of body fixtures last month? No, they were not.