Answer:
a. Insurance expense for the month of march
= ($3,840 / 12 months) * 1 month
= $320 per month
b. Balance in prepaid insurance as of March 31
= ($3,840 / 12 months) *11 months remaining
= $3,520
c. Equipment rent expense for the month of April
= ($23,160 / 24 months) * 1 month
= $965
d. Balance in prepaid equipment rental as of April 30
= Nil ($0) as it is not mentioned that payment has been made, it is only mentioned that two year rental contract has been entered into.