Try to solve the last query again $-1\mathrm{.}85$ Refer to Problems $1\mathrm{.}13$ and $1\mathrm{.}14.$ If Charles Lackey's utility costs remain constant at $\backslash (\backslash$$ $500\backslash )$ per month, labor at $\backslash (\backslash$$ $8\backslash )$ per hour, and cost of ingredients at $\backslash (\backslash$$ $0\mathrm{.}35\backslash )$ per loaf, but Charles does not purchase the blender suggested in Problem $1\mathrm{.}14,$ what will the productivity of the bakery be$?$ What will be the percent increase or decrease?