Despite the differences between the two companies, business is business and life must go on, and so sales by Ing C Olivetti & Co of personal computers to AT&T Co in the first four months of this year were 44,700, more than the 44,000 AT&T took in the whole of 1987, and the total for this year is expected to reach 120,000 to 140,000, Carlo de Benedetti told the Olivetti annual meeting in Ivrea last week: he also said that overall sales for the first four months were up 12% at the equivalent of $1,730m; the Italian looks for its worldwide personal computer shipments to rise 35% in volume this year to 500,000.