In the accompanying diagram (see the following figure), what is the value of K on the left-hand cash-flow diagram that is equivalent to the right-hand cash-flow diagram? Let i=12% per year. 0 + 1 + 2 + 3 End of Year K K 4 5 0 1 100 210 320 2 3 4 End of Year 430 5 540 6 650 7