Which combination of steps will meet these requirements MOST cost-effectively?

A solution architect is designing an AWS account structure for a company that consists of multiple terms. All the team will work in the same AWS Region. The company needs a VPC that is connected to the on-premises network. The company expects less than 50 Mbps of total to and from the on-premises network.

Which combination of steps will meet these requirements MOST cost-effectively? (Select TWO)
A . Create an AWS CloudFormation template that provisions a VPC and the required subnets. Deploy the template to each AWS account
B . Create an AWS CloudFormabon template that provisions a VPC and the required subnets. Deploy the template to a shared services account. Share the subnets by using AWS Resource Access Manager
C . Use AWS Transit Gateway along with an AWS Site-to-Site VPN for connectivity to the on-premises network. Share the transit gateway by using AWS Resource Access Manager
D . Use AWS Site-to-Site VPN for connectivity to the on-premises network
E . Use AWS Direct Connect for connectivity to the on-premises network.

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Answer: B,D