Maths for Economics Spring 2021 - EX9 1. Consider this set of national accounts: Buying sector IT goods Services Transport Final demands Total Selling sector IT goods E25m $20m E10m E25m Services E40m E5m 230m E125m Transport Com E80m E40m E40m Primary inputs $15m E95m E80m E60m Total How much does the transport sector buy from the service sector? How much does the service sector sell to itself? (ifi) Fill in the total rows and columns. (iv) Hence construct an input coefficients matrix, A, for the IT, Services and Transport sectors and the matrix I-A