Facts: On January 1, 2014, Alpha City authorizes two capital projects:

A sewer redesign project costing $15 million (including bond issue cost), expected to be finished within the current year

(Funded in full with the issuance of $15 million in Series A bonds)

A City Hall renovation costing $30 million (including bond issue cost), expected to be completed in 2015

Funded with:

($25 million in Series B bonds, $5 million in property tax increases)

Both bonds mature in 30 years and pay interest annually at 7%.

Series A is issued on January 5th, 2014, when the prevailing interest rate is 6.7% (Bond issuance costs are $150,000)

Series B is issued on February 14th, 2014, when the prevailing interest rate is 7.1%, (Bond issuance costs are $200,000)

Entries to record budget for the two capital funds on January 1, 2014?

Sewer Redesign Capital Project Fund
Estimated bond proceeds		$ 15 million
	Appropriations		$15 million

City Hall Capital Project Fund
Estimated bond proceeds		$ 25 million
Estimated property tax revenue		$ 5 million
	Appropriations		$30 million

(2) Entry to record Series A bond issuance on January 5, 2014

Sewer Redesign Capital Project Fund
Cash		$ 15,575,656
	Other Financing Sources bond proceeds (face value)		$ 15 million
	Other Financing Sources bond proceeds (bond premium)		$ 575,656

My question is How can I get this number $575,656??

(4) Entry to record Series B bond issuance on February 14, 2014

City Hall Capital Project Fund
Cash		$ 24,492,865
Other financing sources bond proceeds (bond discount)		$ 507,135
	Other financing sources bond proceeds (face value)		$ 25,000,000

Second question: how Can I get this number 507,135?