Kito makes on online purchase of a guitar case for $39.99, a tuner for $24.99 and picks for $26.99. Taxes are 6% of the total purchase price. Shipping charges are based on the following table:Amount of PurchaseStandard ShippingExpress Shippingup to $50$5.10$7.00$50 up to $100$6.35$8.20$100 up to $200$7.80$11.60$200 and over$10.50$16.45Kito selects express shipping and the company bills his credit card $105.69 for the total of the online purchase. Determine if Kito has been billed correctly for his purchase.a.Kito has been billed correctly.b.Kito has not been charged enough for his purchase.c.Kito has been over charged by $1.85 for his purchase.d.Kito has been over charged by $3.40 for his purchase.