looking for help solving this problem for my macro class, thank you!

Consider an economy that is populated by many identical consumers. The representative consumer has preferences that can be described by the utility function u(c,c') = In(c) + 2In(c'), where c is the level of current consumption and c' is the level of future consumption. The marginal utilities of the consumer are given as MUc = and MUc - The consumer has a current income of $5,000 and a future income of $7,000. The consumer pays $1,000 in tax in each period (current and future). The real interest rate is r = 0.05. If the consumer's current consumption level is c = 1,000 and future consumption level is c' = 1,500, what is the value of the consumer's marginal rate of substitution of current consumption for future consumption, MRS .? Round your answer to at least 2 decimal places