math
posted by chris .
. City Cellular purchased $28,900 in cell phones on April 25. The terms of sale were 4/20, 3/30, n/60. Freight terms were F.O.B. destination. Returned goods amounted to $650. What is the net amount due if City Cellular sends the manufacturer a partial payment of $5,000 on May 20? (Points : 2.5)
16. If the manufacturer from the question above charges a 4½% late fee, how much would City Cellular owe if it did not pay the balance by the net date? (Points : 2.5)

if the manufacture from the question above changes a 4 1/2% late fee, how much would city cellular owe if it did not pay the balance by the net dated?