If 90% is unemployed then there is a TENTH USED, take off the head ("head goinng") leaves ENTHUSED = fired with enthusiasm
The bread is PITTA with NCE (pleasant is nice with one removed is NCE) gives PITTANCE =peanuts
You must have got 7 Down wrong - this is PROTECTRESS - expert is PRO(fessional) with TEC (= detective) and TRESS (= lock of hair)