The credit card with the transactions described on the right uses the average daily balance method to calculate interest. The monthly interest rate is $2\mathrm{.}5\%$ of the average daily balance. Calculate parts a$-$d using the statement on the right.

$\backslash$table$[[$Transaction Description,$\backslash$table$[[$Transaction$],[$Amount$]]],[$Previous balance, $$6220\mathrm{.}00,],[$March $1$ Billing date,$],[$March $5$ Payment,$$300\mathrm{.}00$ credit$],[$March $7$ Charge: Restaurant,$$30\mathrm{.}00$