please help with this question . please do it fast my homework is due in 1 hour

Based on the following tables and graph, if your client wants to achieve same level of risk as Min Variance Portfolio of WMT and NKE, how should recommend for them to split their funds between Rf security and ORP portfolio to achieve that for their final combination portfolio? Note that Rf=0.3% A. 0.80 into ORP and 0.20 into Rf B. 0.71 into ORP and 0.29 into Rf C. 0.60 into ORP and 0.40 into Rf D. 0.52 into ORP and 0.48 into Rf