Allaire of Century 21 Commonwealth represents Perwal St. Realty Trust in $1.4 million, 42,000 s/f sale      Muller of NAI Norwood Group leases 3,000 s/f to Optima Bank and Trust      Joyce and Nugent of RBJ represent Citizens Bank in 46,846 s/f lease      Clough and Whelan of Fantini & Gorga arrange $5 million financing      Stubblebine Co/CORFAC represent Ryan Development in 17,411 s/f lease ar 7 Lyberty