1) Derrick gets a salary increase from $62,500 to $67,500. Over the following year, he spends $3,500 more than he did the previous year. Based on this data calculate the following values. Show your work and write out any formulas you use. a) What is Derrick’s Marginal Propensity to Consume (MPC)? (2 points)
b) What is the value of Derrick’s spending multiplier based on your answer to part A? (2 points)

20 pts i don't really get this xd1. what is the function in humans of the protein produced from that gene2. would you expect to find the same protein in other organisms? if so, which ones? 3. is it possible to find the same gene in two diff. kinds of organisms4. if you found the same gene in all organisms you test, what does this esuggest about the evolution of this gene in the history of life on earth? 5. does the use of dna sequences in the study of evolutionary relationships mean that other characteristics are unimportant in such studies? explain your answer. what am i supposed to do here