Spica's Spell Scribing

Spica Amizuno is raiding Nima Shindora's spellbook for the following spells:
1: Armour Lock, Jet of Steam, Repair Light Damage, Shocking Grasp.

11/26/2014, 20:23 Spica spellcraft (13) (d20): 16, 20, 18, 6, - passes Spellcraft checks on all four.

Purchasing the following scrolls to also add to her book: 1: Animate Rope 2: Knock, Cat's Grace, Bull Strength.  Academy charges 350gp for the spells.

11/26/2014, 20:39 Spica spellcraft (13) (d20): 18, 9, 4, 4, - again passes spellcraft checks (just squeaked in on the last two)

Scribing the following scrolls (at 10% discount from the Sigils)
    Armour Lock - 11.3gp
    Jet of Steam - 11.3gp
    Mage Armour - 11.3gp - replacing scroll used but not deleted on sheet
    Floating Disk - 11.3gp - replacing scroll used but not deleted on sheet
    Knock - 67.5gp
    Cat's Grace - 67.5gp
    Bull Strength - 67.5gp

Total costs: 350+45.2+202.5 = 597.7gp and 22xp - Please check that I calculated this right.

Also, in spells memorised, replace the Mage Armour with a Magic Missile

Thanks.