<prompt>  Regarding the lipid or liposomal formulations of amphotericin B, which of the following statements is accurate ?They are less expensive to use than conventional amphotericin BThey are more effective in fungal infections than conventional preparations because they increase tissue uptake of amphotericin BThey may decrease the nephrotoxicity of amphotericin BThey have wider spectrum of antifungal activity than conventional formulations of amphotericin B 