See below table: which of the countries would be expected to achieve higher economic growth rates over the next year Groatia czech qtr1 qtr2 qtr1 qtr2 Consumer spending 28 30 350 386 business capital investment 12 13 205 250 got investment/fiscal spending 10 11 110 140 Other miscellaneous GDP factors -1 -2 -58 -111 Total GDP 49 52 607 665 The answer breaks down the weight and % of each factors. why can I just simplly use (52-49)/49 as the forcasted % change GDP for Croatia (665-607)/607 as the forcasted % change of GDP for Czech, and conclude Why it does not add up to the sum of % change by factors?
This q is too weird for me. I moved on.