In determining the amount of bonds to be issued and sold, the board of trustees may include:
(a) Legal or other fees incidental to or connected with the authorization, issuance and sale of the bonds.
(b) The costs of printing the bonds and other costs and expenses incidental to or connected with the authorization, issuance and sale of the bonds.
If such a determination is made, the proceeds of the sale of the bonds may be used to pay such costs and fees.