Harvey, Inc. performed services on October $1,2014$ and received a $$268,958,10\%$ note requiring $5$ equal annual payments of P&I, with the first payment to be received immediately on Oct. $1,2014.$ The remaining four payments will be received each Oct $1.$ Harvey's year$-$end is December $31.$

a$.$ Compute the amount of the annual payment of P&I $($round your factor to $4$ decimal $($Round your final answer to the nearest whole dollar.$)$

$($b$)$ Combined Carrying Value of note & interest at December $31,2014$:

c$)$ Interest Revenue for year$-$ended December $31,2015$