Deteriorates thereby. For capital, as a.

1 2‘/,+3*/i=5 1 3+ 5 =8 i1/. 12 4 6 0 0 B 1 2l/,+2Vs=5 1 6 3+,/«=3*/t 4*/s 18 2*/i 12 240% D 1 2V.