Look at the Opti-tech call option prices in Table. Call prices increase as the strike price decreases, holding the expiration month constant. The strike prices decrease in increments of $2.50. Do the call option prices increase in constant increments? That is, does the call price increase by the same amount as the strike price drops from $35 to $32.50 to $30 and so on?

Company Expiration Strike Calls Puts OPTI 30.00 30.00 30.00 30.00 30.00 30.00 30.00 30.00 30.00 30.00 30.00 Apri 27.50 3.26 0.67 May 27.50 3.9 1.23 July 27.50 4.91 2.04 Apri 30.00 1.77 1.67 May 30.00 July 30.00 3.62 3.23 April32.50 0.85 3.24 May 32.50 55 383 July 32.50 262 4.69 April 35.00 0.36 5.24 May July 35.00 1.86 6.40 2.53 2.33 35.00 0.90 5.67