please solve 3a, b, c

I started the question so I wrote the 400. Please assist with what I started with the new updated info I added. Not sure if how I am solving is correct. (You have to go with the info given, so only subtract the payment when it is indicated) This was the feedback I got when I asked about the question. Hopefully, this helps.

(18 pts) 3.) The Chase Sapphire card charges 1,6% monthly on remaining balances (source: media.com/editcard/p/prod) They use the average daily balance method to determine interest. Given Mark's credit card activity, determine the following Previous Balance $400 Billing Date April April 10 April 15 Scuba equipment $1,590 Scuba lessons $450 April 28 Payment $750 Date Running Balance Number of Days Until Balance Changed (Running Balance) (Number of Days) Abil 6 400 Ah! 15 Abril 24 Totals: (@) The average daily balance for the next billing (May 6). (b) The finance charge to appear on the May 6 billing and (c) The account balance on May 6. Count for one billing period is shown below. If the ank charge 3% per month on the average daily (AF (18 pts) 3) The Chase Sapphire card charges 1.6 monthly on remaining balances (source: perche.com/watched) They use the average daily balance method to determine interest. Given Mark's credit card activity, determine the following: Previous Balance $400 April 6 Billing Date April 10 Scuba equipment $1,590 April 15 Scuba lessons $450 April 28 Payment $750 Date Running Balance Number of Days Until Balance Changed (Running Balance) (Number of Days) 2590 Lapal 400 LARLO 1990 Abolis 2446 April 24 1690 Hoox 4 1199x 5 79200 13 Hero 9950 3/720 Will Totals: (a) The average daily balance for the next billing (May 6). (b) The finance charge to appear on the May 6 billing and (C) The account balance on May 6