Thank you for your reply. Here is an example of a mod that I could tie to the contractor's higher prices, although I disagree the contractor was authorized to increase its prices.
The purpose of this modification is to add incremental funding to the contract.
a. This Modification AS040 is being exercised in accordance with FAR Clause 52.232-18 Availability of Funds and adds incremental funding in the amount of $248,751.11 exclusive of GSA fee. This amount is in accordance with the client's allotment funding schedule as stipulated in Modification AO035.
b. The Option Period 04 additional labor funding supports Option Period 04 CLIN 4001, as specified, in accordance with Task Order 9T8ZDAIS808.
c. The Option Period 04 amount is increased by $248,751.11 under MIPR2BGSAR4006 Amendment No. 002. The breakdown is as follows:
Option Period 04 CLIN 4001 Instructor Labor: $208,950.93
Option Period 04 CLIN 4002 Security Support: $34,825.16
Option Period 04 CLIN 4003 Travel: $4,975.02
Total Option Period 04 additional funded amount: $248,751.11
d. The Option Period 04 funding is increased hereby by $248,751.11 from $746,253.32 to an adjusted Option Period 04 amount of $995,004.43.
e. The total task order value of $12,563,346.81 remains the same.
f. The total contract price is increased hereby by $248,751.11 from $10,511,713.04 to an adjusted contract price of $10,760,464.15.
g. The period of performance is unchanged.
h. All other terms and conditions remain the same.
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I hope you find this helpful.