Entities:

$-$ Customer $($Attributes$)$:

$-$ CustomerID $[$Primary Key$]$

$-$ Name

$-$ Email

$-$ Phone

$-$ StreetAddress

$-$ Referral

$-$ Company $($Attributes$)$:

$-$ CompanyID $[$Primary Key$]$

$-$ CompanyName

$-$ Email

$-$ Phone

$-$ Website

$-$ AccountType

$-$ Consultation $($Attributes$)$:

$-$ ConsultationID $[$Primary Key$]$

$-$ Date

$-$ Time

$-$ CustomerID $[$Foreign Key$]$

$-$ DesignerID $[$Foreign Key$]$

$-$ Designer $($Attributes$)$:

$-$ DesignerID $[$Primary Key$]$

$-$ Name

$-$ Quote $($Attributes$)$:

$-$ QuoteID $[$Primary Key$]$

$-$ Accepted

$-$ TotalAmount

$-$ Taxes

$-$ DiscountRate

$-$ Note

$-$ ConsultationID $[$Foreign Key$]$

$-$ Unit $($Attributes$)$:

$-$ UnitID $[$Primary Key$]$

$-$ UnitName

$-$ Price

$-$ Quantity

$-$ Notes

$-$ QuoteID $[$Foreign Key$]$

$-$ Installation $($Attributes$)$:

$-$ InstallationID $[$Primary Key$]$

$-$ Date

$-$ Time

$-$ Address

$-$ QuoteID $[$Foreign Key$]$

$-$ DesignerID $[$Foreign Key$]$

Apply normalization $(3$rd normal form$)$