The projected public spending by the british government for the years 2010–2011 (t = 0) through 2014–2015 (t = 4) is 692 billion pounds/year. the projected public revenue for the same period is f(t) = 292.6t + 134.4 t + 6.9 + 500 billion pounds (0 ≤ t ≤ 4).† find the projected deficit for the period in question. (round your answer to one decimal place.) pounds