coupon bonds

2100[1/1.057+1/(1.057)^2...+1/(1.057)^24]

Sn = a(1-r ⁿ) / (1-r)

Total = 2100 * S ₂₄

= 2100 * { [ (1/1.057)(1-1/1.057 ²⁴) ] / (1-1/1.057)}

= 27,102.42399

That's what I got anyway.