▁to ▁benefit ▁the ▁court ▁is ▁obliged ▁to ▁apply ▁the ▁stat ut ory ▁assumptions ▁set ▁out ▁in ▁section ▁ 1 0 ▁if ▁the ▁def endant ▁has ▁a ▁criminal ▁l ifest yle . ▁ ▁A ▁def endant ▁has ▁a ▁criminal ▁l ifest yle ▁if , ▁and ▁only ▁if , ▁he ▁meets ▁the ▁criteria ▁of ▁section ▁ 7 5 . ▁ ▁A ▁criminal ▁l ifest yle ▁may ▁be ▁established ▁by ▁the ▁conv iction ▁of ▁the ▁def endant ▁of ▁a ▁single ▁off ence . ▁ ▁The ▁def endant ' s ▁available ▁amount ▁is ▁typically ▁the ▁market ▁value ▁of ▁all ▁his ▁assets ▁less ▁the ▁amount ▁of ▁any ▁li abilities ▁which ▁are ▁secured ▁upon ▁those ▁assets . ▁ ▁Un sec ured ▁li abilities ▁are ▁not ▁dedu cted ▁in ▁arriv ing ▁at ▁the ▁def endant ' s ▁available ▁amount . ▁ ▁If ▁the ▁court ▁is ▁unable ▁to ▁establish ▁the ▁def endant ' s ▁available ▁amount ▁it ▁must ▁make ▁a ▁conf is cation ▁order ▁in ▁the ▁amount ▁of ▁the ▁benefit . ▁ ▁The ▁bur den ▁falls ▁broad ly ▁upon ▁the ▁pro sec ution ▁to ▁establish ▁the ▁def endant ' s ▁benefit ▁and ▁upon ▁the ▁def endant ▁to ▁establish ▁his ▁available ▁amount . ▁ ▁In ▁practice ▁the ▁pro sec utor ▁will ▁in ▁the ▁first ▁instance ▁attempt ▁to ▁assist ▁the ▁court ▁to ▁establish ▁both ▁figures . ▁ ▁If ▁the ▁def endant ▁fails ▁to ▁pay ▁the ▁sum ▁ordered ▁by ▁the ▁due ▁date ▁then ▁payment ▁may ▁be ▁enfor ced ▁by ▁various ▁means ▁and ▁interest ▁will ▁commence ▁to ▁run ▁on ▁the ▁amount ▁un pa id .