P129 CEEFAX 129 Sun 3 Apr 20:44/34       EXCHANGES Close Pre-holiday considerations made for a typically quiet end to the week's trading on the foreign exchanges. The main interest was provided bz the strength of the pound. Sterling met demand throughout the day in the wake of Mr Lawson's defence of the Government's exchange rate policy. The US made useful progress despite modest intervention bz the Bank of England. Most dealers expect the Chancellor's inflationery pressures will rule out an early base rate cut.  Currency Rates 135