Answer:
$6.0 million
Explanation:
Calculation for How much cash interest does Auerbach pay on March 31 2019
Cash interest=$300 million × 4% × 6/12.
Cash interest=$6.0 million
(Note that 0ctober 1 2018 to March 31 2019 will give us 6 months)
Therefore the amount of cash interest that Auerbach pay on March 31 2019 will be $6.0 million