P247 CJJFAX 247 Sat 9 Apr 00:45/43    FOREX REPORT CLOSE  TR  The dollar took advantage of a yen hit bz Thursday night's resignation of the Japanese Prime Minister. At 1730, it was quoted at Y105.10, and DM 1.7110 after 104.90 and 1.7180 at yesterday's London close. Sterling, meanwhile, was slightly firmer against the dollar and mark in relatively subdued dealings.  £ Opg 80.0 1100 80.1 1400 80.1 Thy 0900 80.0 1200 80.1 1500 80.0 Cls 1000 80.1 1300 80.1 Cls 80.0 79.8  NY cls (Fri) $-£ 1.4763 $-DM 1.7120  Headlines 201 Currencies 250 Exchanges Tourist £ USIntRate USIntRate