Please answer ASAP but please make sure they are right. So important for me. I will highly consider giving thumbs up

Questions:

Question 6 A factory has installed a new process that will produce an increased rate of revenue (in thousands of dollars per year) of R0) = 300 0 .5 3+1 where t is time measured in years. The new process produces additional costs (in thousands of dollars per year) at the rate of C (t) = 2 e'+1 Find the net total savings. Note: Round up all the decimal numbers in all the steps not just the final answer. Example: if you get (3+1.005 = 3+2 = 5) or (50 + 1.5: 50+2 = 52) round it up to 2 in any step of the calculations. 0 a) 4 O b) 170 O c) 435 Q d) 763 0 e) 335