As an analyst at Fidelity Investment Firm, you're tasked with evaluating your client's portfolio, Michael Scott. Michael's portfolio, totaling $$5000,$ encompasses three distinct stocks. Compute the portfolio's beta for Michael.

$\backslash$table$[[$Stock$,$Investment allocation,Beta$],[$Apple$,$$$1,250,1\mathrm{.}28],[$Coca$-$Cola,$$2,500,0\mathrm{.}59],[$Zoom$,$$$1,250,-0\mathrm{.}07]]$

a$.0\mathrm{.}6000$

b$.0\mathrm{.}4774$

c$.0\mathrm{.}5975$

d$.0\mathrm{.}6325$

e$.0\mathrm{.}2279$