Genetek is a specialty genetic testing laboratory that makes reagents used for hospital laboratory tests. They can make $1,000$ test kits per day using the following inputs:Building energy: $$5,000$ per dayCapital costs:$$10,000$ per dayReagent supplies: $$1$ per bag @ $20,000$ bags per dayTechnician labor: $$12\mathrm{.}50$ per hour @ $400$ hours per dayThe supply chain team at Genetek has done an amazing job cutting reagent supply costs. What is the percent change in multifactor productivity if Genetek can reduce the supplies cost per bag by $50\%$ without cutting production or changing any of the other inputs?$25\mathrm{.}0\%5\mathrm{.}26\%3\mathrm{.}00\%2\mathrm{.}50\%33\mathrm{.}3\%$